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The declining recommendations on both Hardware wallets Trezor and Ledger did give a bad rating to both. Trezor and Ledger used to be the most recommended BTC hardware wallets, but after Ledger implemented their recovery service and Trezor are implementing CoinJoin, but they are using Wasabi for it, who are working with a blockchain analysis company to blacklist certain UTXO, the recommendations on these two hardware devices has decreased. For users who may already have the devices, it may be okay to use it without opting in for their recent additions, but i think if someone wants to buy a new hardware wallet they should go for options like Passport, BitBox02, and other recommended open source hardware wallets.
I think Trezor and Ledger were never considered as the safest option out there. they were the most recommended BTC hardware wallets because they are one of the old ones, have good marketing and are easy to use while offering a lot of altcoins. I think that's the only reason.But Ledger is the worst at the moment with its Recovery feature that even it is widely opposed by crypto users.
About Wasabi's implementation on Trezor, I haven't studied it in detail and still have little knowledge about it.
Ledger is currently Close Source and Trezor is Open Source.
It is just a matter of choosing which one to use and there are many more Hardware wallets to choose from.
Source: https://thebitcoinhole.com/
I keep on the desktop version of Electrum
on Mobile I use Blue Wallet.
I also use the Electrum Mobile Wallet and it's still working well. on Mobile I use Blue Wallet.
I also used Blue Wallet at first, but I found Electrum more convenient so I left Blue Wallet (everyone has different experiences).
Blue Wallet also closed the LN Channel.