Earlier quoted context omitted.
Not making any other assumptions here, but I think this is a great example of something that's become more and more obvious to HNers over the past few years: from a financial perspective, if you have an opportunity to join a FAANG vs a startup, it pretty much almost always makes financial sense (usually much more sense) to join the FAANG. And since it usually makes a LOT more financial sense, it can often make a lot…
A startup makes sense if you are looking to do something different or to expand you skillset. Working at a major corporation can feel stifling over time. The important thing to understand that there is almost 0% chance that your "1-4%" ownership will ever be more than 6 figures.
The only realistic value to assign is zero.