I agree with other points here, but I also think nobody wants to wake up 2 years from now and be the only company that was not investing in machine learning. It could turn into nothing, or it could be 100x the time and money put in now.
So, of the 4 outcomes:
(1) buy in now + worthless
(2) buy in now + 100x
(3) don't buy in + worthless
(4) don't buy in + 100x
(4) is a terrible position to be in, (2) is a good position to be in, and (1) only costs a little, and (3) is even. So when you are deciding to buy in or don't, you are deciding between good + little loss or terrible + even.