I will take this that u are not progressing in your avartar at all so no your are right u will never have a chance aslong u do not progress while others do.,
But from own experience progressing much slower then most , from always been the undergeared and usualy lower skilled for many many years...
This is very much achiveable if that personal skill are good enough but u still need weapons that are viable. There will still ofc be that 1% of ppl that will be extremely hard to kill. An avatar that only logs in to the game to start a macro will not have those skills.
Relying on only crits has some luck involved yes. But there is still weapons that are very low req that easily 2 hits 450hp avatars and i know this becouse i am still using them after years of them being in the game. For me that is a very fair chance...