The size of commissions is very important to work with blockchains.
Ethereum blockchian is very popular but a lot blockchains appear that offer better conditions and low commissions that Ethereum blockchains.
That is why many applications use Solana and other blockchains that becomes more and more popular for users and for developers of aplictations.
Now developers have a lot of different blockchains which are actively developing offering more usefull tools and products.
Inspite the Etherem blockchain is the most popular one other blockchains are developing very quickly.