You seem to constantly be ignoring the fact that tankies are specifically hypocrites about it. We all KNOW tankies will say left wing opinions in the general sense.
The problem is they don't apply leftist morals to EVERYONE. They have pet beliefs and often a favorite communist/anarchist dictator that they'll actively defend.
Why would you even care about the opinions of someone that cannot understand that supporting any dictator basically by definition removes you from many ideologies of the left??
We shouldn't suffer hypocrites. If something is bad because the act is bad, it's bad when ANYONE does it. Period.
We can discuss what bad acts may be necessary to recover things from the tyrants in charge and the worthiness of such acts, but to pretend that things like indiscriminate mass murder and open war are somehow good actually is to completely fail the moral test, IMO.
Basically... they're people who fail the logic of, "two wrongs don't make a right". Or a more direct expression, "the ends don't justify the means".
They're exactly like conservatives in that they don't care about others and are actually glad when the "correct" people are hurt.