Your choice man. You can allways stat reset later on.
“At some point you get diminishing returns on dex. They found after cbt2 that a mix gave better dps in the damage formula. Sort of like 1 point of crit rate might give you 1% crit percent when you have 10 crit rate. But at 400 crit rate 1 point might get you .01% there’s sort of a soft cap in there somewhere.”
“Actual Critical Rate = (Critical Rate - Critical Resist) * (42 / Character Level)
Source: Confirm by recent kOBT patch note on March 24 https://www.reddit.com/r/treeofsavior/comments/4bqxg5/ktos_324_weekly_patch/
Other Source: Critical rate formula (iCBT2 updated)”
Search is your friend. 
TL/DR
200 critical rate on lvl 100 is something good hiting a mob with 50 crt resist.
200 critical rate on lvl 200 is something not so good when hiting a mob with the same 50 crt resist. Why? Look at the formula. And I confirmed this in game, as my critical rate is around the same for 60 lvl+, the mobs with around the same critical resist got less criticals as I lvl up.
@Yusha Your statistics are right, but you are just looking at the problem by your view. The problem is, at high level you will need toons of dex just to keep up your critical rate. So, at some point, is just better not going for it, as every point of dex will give you less and less critical rate.
Or lest just agree to disagree 
Cya guys, have a good game