The popularity of Ethereum $ETH is now not as high as Dogecoin.
Ethereum has made many efforts, but the biggest problem is that it hasn't retained users.
Changing from PoW to PoS means mining is no longer possible, losing global GPU users.
Creating secondary networks resulted in them fighting among themselves, causing severe internal conflict and bleeding the entire ecosystem.
There has been no support for memes, causing all the gamblers to run to Solana.
Upgrades are slow, and the continuous selling of coins has hurt the feelings of veteran players.