It's simple. The network is ridiculously popular, and when it was designed this extent of usage was clearly unanticipated. Those of us who use Ethereum will just have to bear with the growing pains and wait for the rollout of scaling solutions. I'm guessing significant progress will be made to this end by the end of this year.
This gas fee problem has been running for almost 2 years and there is no solution from the ethereum developer
I think they have difficulty handling transaction fees on their blockchains due to the large number of transactions per second
I think one solution to dealing with fees that are too expensive is to migrate blockchains