The Biggest Threat To Your Product Isn’t Your Competitor. It’s Excel.
This isn’t a research paper or a case study. It is just an observation from someone who has been in enough rooms, worked with enough teams, and watched enough promising products quietly disappear to notice a pattern.
I shared this hypothesis with a product manager at a B2B SaaS company recently. He didn’t even blink. He just said: “We can’t convert free users to paid. The product is great, but they keep going back to Excel.”
That told me everything.
Walk into any SaaS demo today. The UI is clean. The workflow is systematic. The feature checklist solves every single pain point the founder mapped out. The product is genuinely good. And yet, the free tier is bloated, paid conversion is stuck, and churn is quietly bleeding the company out.
The founder stares at the dashboard and thinks: Maybe we need better onboarding. Maybe the pricing is wrong. Maybe we just need one more feature.
But the product isn’t the problem. The problem is human behavior.
Here is the uncomfortable truth most founders refuse to accept: you are not competing with the other startup in your category. You are competing with the monstrous, color-coded Excel spreadsheet they built three years ago that everyone already knows how to use.
You are competing with the WhatsApp group where approvals actually happen. You are competing with the shared Google Drive folder that only Sarah understands. It is manual, it is inefficient, and it occasionally breaks—but it works.
Upgrading to your product doesn’t just mean learning a new interface. It means changing how an entire team thinks, communicates, and operates on a daily basis. That is a massive ask. Every SaaS adoption comes with a built-in “Behavior Tax”—the invisible cost of getting humans to change their habits.
It is the training time. The stakeholder buy-in. The IT security audit. The HR reluctance. The senior manager who kills the deal because he doesn’t want to justify a new budget line.
For a digitally literate SME with a founder who gets it, the Behavior Tax is manageable. The boss says go, and the team adapts. But for a mid-to-large organization? The Behavior Tax is often larger than your actual Annual Contract Value.
This is exactly why you cannot sell behavior change from the bottom up.
A junior executive might love your tool. They tell their manager. The manager tells the director. The director asks IT. IT involves procurement. Procurement demands a legal review. And somewhere in that six-month chain, someone inevitably asks: “Why can’t we just use what we already have?”
And the deal dies.
If you want to survive the Behavior Tax, you have to sell to the person with the budget authority to enforce the change. From the top down. You are not selling software. You are selling a mandate.
And with the rise of AI-powered SaaS, this tax is compounding. You aren’t just asking people to change their workflow anymore; you are asking them to trust a black box with data they are personally responsible for, inside an organization that hasn’t even decided how it feels about AI yet.
If you are building B2B SaaS, stop asking what problem your product solves. Start asking: What deeply ingrained habit does my product require this user to abandon?
Build for behavior change. Sell to the mandate. And price your product to absorb the real cost of human adoption, not just the cost of your code.
Your SaaS didn’t fail because it lacked features. It failed because your users never changed. That is a completely different problem, and it requires a completely different solution.
P.S. At Majalah BIKIN, I write about human experience, UX, and business psychology — drawn from 30 years across airlines, banking, design, and the field. Read more and follow along.