I have problems to understan correctness of elo ratin of tactical puzzles. My level is more than 2000. (1) my game skills far from this level -down (2) sometime I solve 2100 elo puzzle Sometimes not rarely I have difficulties with 1300 level
Some people take those puzzle seriously, others not. Also, puzzles on lichess often don't require you to point out the crucial point of the variation you gave, because the computer just goes bananas in an effort to not let the numbers rise too high.