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This website can be useful but just look at that Tron piece of shit blockhain... it has higher transaction fees than ethereum now and it's so complicated to use for any newbies, with stupid staking, energy, bandwidth, etc.
I wouldn't recommend keeping USDT long term on any chain, but I think people should consider using L-USDT and L-BTC on Liquid network.
Transaction fees are much lower, they can be confidential, and there is 36,561,000.00 L-USDT and over 3,749 L-BTC at the moment:
https://liquid.network/Polygon network also seems to be cheaper than Ethereum, but it seems that we will move to layer 2/3 applications where these tokens are reasons to use those layers. I preferred DAI as it is a little decentralized and more linked to USDC, which seems less likely to collapse than USDT since Coinbase has better reserves and a safety factor than USDT.