There are even some open source projects in this space. Why not?
Besides that, I agree with you. Many companies already use excel because they are deep into the Microsoft stack. A lot of companies won't pay for another solution to do spreadsheeting.
I didn't check all of these tools but often there is some automatic data ingestion, automatic dashboard generation, ... which might make it more valuable in the long for data driven businesses.
A book I read a long time ago about startups said, in effect, if you really want to make money, start a trash-hauling company. If you want to make money doing computer stuff, continue reading this book.
One might even learn something about leverage offered by the tools...likely not a conspiracy to meaninglessly suck up funding