That's right, many users have left Ethereum. Many new projects are developing and they are even creating their own networks without utilizing the Ethereum network anymore. This is the impact on Ethereum when they do not listen to suggestions from the community to immediately fix the problems that occur on Ethereum.
Long ago we always read complaints from ethereum users, that this network has very expensive gas fees. There are lots of complaints and complaints and apparently ethereum dev doesn't have a solution. This makes many users switch to other, cheaper networks
For now, it seems that the problem that occurred on Ethereum has been solved. Transaction fees on Ethereum have started to decrease, this is a sign that Ethereum is indeed working on its project well and its development is very satisfying for Ethereum holders.
Hopefully Tehreum's gas fee decrease is because ethereum devs are improving their project, not for other reasons. Later, try to see when traffic is busy, is the ethereum gas fee cheaper than before? Ethereum is the most secure network, in my opinion. The only drawback is that the gas fee is too high.