Yes, in many cases. Assume that their real objective to is to quickly (1) score points for high-profile performative activism, and (2) vent their emotions.
It's like telling people you are burning a puppy with napalm "for demonstrating the effect" at an anti-viet-nam-war-protests. First people get crazy angry at you, then they change their attitude about napalm.
Perhaps. But convincing the military to replace napalm with a variety of other weapons - also designed to hellishly maim and kill people - is not exactly a huge moral victory, nor a big defeat for them.
Vs. the big oil companies, culture-war conservatives, etc. might be considerably more invested in giving little ground on climate change.
Considering the this seems like a straightforward outcome to you, what would you do if you desired that outcome?
Not caring about the cause is effectively the same as being against it.
So there is nothing to lose, much to win.