⭐ Merited by ETFbitcoin (1)
Yeah... I'm not sure about some of his claims either... It would seem that the OP must trust the RAR devs more than Crypto-wallet devs... Is RAR opensource? ummm NO. OP, do you know for sure that RAR has no:
I'll go ahead and guess no... 
But hey, you found a system that works for you...
Quote
"bugs, glitches, backdoors, ... etc that either allows them to be hacked or they screws up on their own, or both."
I'll go ahead and guess no... Quote
"maximum security (free of 3rd-party trust)/maximum trustless"
Are you sure about that? All you are doing is switching your trust from one software/hardware provider to another (with closed sources)...But hey, you found a system that works for you...