The only achievements anyone would have any reason to "worry about" are those that you can miss out on in a single playthrough.
The ones like "complete the game on hard difficulty" when most people play through on Normal first. At least achievements like that tend to stack and you can get multiple achievements on a single playthrough if you start off on the hardest difficulty.
Achievements like "reach number one on the leaderboards" can be summarily ignored if you bought the game more than 24 hours after launch.
The "game with dev" achievements are also ignored 1 week after launch.
"Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety." Ben Franklin