What do you think it would achieve? It seems rather naive and wishful thinking, like someone trying to hop in at 1 dollar and hoping that they will magically be able to turn it around to sell for a thousand dollars in a week. Bitcoin is unique and will always have that "first mover" advantage, as you've already said there are thousands of other altcoins out there and plenty of Bitcoin clones if you want to go for that. People use different altcoins for the traits that they possess, whether that is increased anonymity, more coins in circulation or a less wasteful transaction verification procedure, not just because they want to own a piece of some clone coin with nothing original.
and besides, many projects have tried creating their own version claiming to be more superior than bitcoin in all aspects. however, where are they now? they can't even get half the achievement of bitcoin. so creating another version may possibly fail as people will always go back to the original bitcoin creation. also, this is the reason why we have so many alts trying to get a niche in this market. for sure, you have encountered some of them saying they are much better than bitcoin, much faster, and cheap. but still up until now, we owed the popularity of usage of crypto because of
BTC