If I was able to build such a software that has potential on stealing Autodesk software. And Autodesk showed at my door with $50,000,000 in cash. I would sell it so fast that I would be flying in a hired private jet to some island free of the pandemic by next morning.
The rational is simple. I will make up some numbers: If I have 1 chance in 1,000 to get 10 billion, that is an expected value of 10 million (10b/1000). 50 millions is way better return than the expected value of 10 million.
Facebook, Google, Apple, Oracle, Adobe, Autodesk... any of them has deep pockets to buy any one that has a chance to steal their business. It is a good deal for the challengers, because is a all-cash no-risk opportunity better than any expected value. It is a good deal for the big-ones as they protect their business and some times they get a good deal (YouTube). The consumers, the economy and society as a whole are the big losers in the deal.