We need lower transaction fees. So Layer 3s are needed. We don't know, there might be more congestion in the future and Layer 3s might be a good choice.
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Look at how cheap the fees in the L2. How can we need L3 if there are so many L2s available in the market? Are you sure those blockchains will be invaded by human then they will be congested? The list are containing a few L2s. There have been so many new L2s still unlisted from that list like manta or even blast.
L3 is not even needed. It is being created as the purpose of making money only. There's no urgentcy to create L3 blockchain. L3 is only for grab your money. L2s are enough.
I agree with what you mentioned here dude, because in just layer 2 we have a lot of cryptos that can really be taken advantage of besides the low fee's that are here. And it can also give us a good profit in the future as well.
Actually, some of these I hold for my long-term holdings as well which I know will be beneficial in the right time of bull run that we are waiting for right now.
So for now lets accumulate while there is a chance for us to do it.