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If there's going to be a tsunami of mediocre, scammy projects launching soon, it's most likely not going to be on NEAR Mainnet but on its L2 network called Aurora since devs can just deploy from ethereum without a code change (Aurora has its own EVM).
It could be. They will more likely come if it's easier and cheaper to build but that's another matter. The main point in my first comment is no chain would be exempted if scammers decides to use the platform to steal money unless it's extremely centralized.