Want to play.
Zero bugs detected in twenty five years or more of use. No explosions or radiation damage to personal or equipment to date. Not a single life lost. Hmmm... last time I looked, Coronado, CA is still there and they are definitely still using my software. That's the major item. Financially, millions per year saved, and that's seriously (orders of magnitude) conservative.
Google Gods, well....
I really couldn't care less who you emulate except that errors cost people frustration, time, money, and occasionally lives. Ask Airbus about their little glitch. Someday an EULA ain't going to protect ya'll. I didn't have that fig leaf.