So to the point: Would you quit if a centralized shitcoin managed to surpass Bitcoin in marketcap? At that point it would be clear that entire space is a joke. Bitcoin would still march on as usual, but it would be just sad to see people putting their money on shitcoins rather than on the only actually decentralized blockchain worth anything.
What happens in altcoin will have no impact on bitcoin users. that's what I believe. something that is trending in crypto, as you call . nft games. stake. will not have any impact on bitcoin. it is they who will later follow bitcoin and will depending on bitcoin.