But it will never happen.
https://en.bitcoin.it/wiki/Prohibited_changes
It's like the opening of a Pandora's box if we increase it once what stops us from doing time after time, just like fiat money.
Exactly and people who understand and got into cryptos for the decentralized aspect wouldn't have it (which is majority of the early adopters). The people who are getting in now may be all for it but that is because they are money hungry and therefore likely short-sighted. The OGs simply will not allow this to happen, expect the cap to remain at the 21 million set in place now.