Can I imagine a venue kicking out 2% of their former clients on some criteria? Absolutely yes.
Kicking out 2% of website visitors may still be totally reasonable if the cost to serve them is meaningful, or if they are less than 2% of revenue.
His defense for 98% being bad is that some CSS thing people were arguing about only had 70% coverage on his website.
Our b2b dashboard didn't support Safari for a while at all and it was entirely not an issue because everyone had a simple workaround to just use Chrome and the dashboard wasn't really the main product.
The thing is that it is all context dependent. A lot of times 0.1% is nothing and can be ignored or pushed off. But sometimes that 0.1% is worth billions of dollars.
The point is that data means nothing without context and interpretation. If you're lazy in your analysis you are going to have lots of issues
Good thing that we've managed to keep everybody's expectations a hell of a lot lower for software quality then :)
I can't tell if this is in support of the article or not though.