I strongly disagree. Just as high K hitters can still be great offensive players, so too can low K pitchers be great pitchers.
Just get the guy out.
I can see, if Porcello has been letting up more than his fair share of line-outs, deep fly balls or spectacular defensive plays behind him, and so being called "somewhat lucky", but I haven't seen that being the case this year.
BABIP
.269 Porcello
.271 Kluber
LD%
18.8% Porcello
19.3% Kluber
Yes, more K's means less work for your fielders, less chances the mess up, more chances for opponents to get a hit, but if the opponents aren't hitting the ball as hard as against the high K guy you are being compared to, and the low K guy is keeping his opponents off base more often, then I can't see how higher K's flips the narrative.
Opponents have a lower OBP vs Porcello. The lower LD% seems to indicate that the slightly lower (.002) BABIP is not better luck but is what should be expected.