Doesn't matter, same consequences. Germany is cracking down on the left and this will be another figleaf. A few cables got damaged, great. You can stroke yourself to small scale eco-terrorism, it leads nowhere, in this case as in others.
Way back with the Bolshevik party they knew individualist terrorism like this is in practical terms worthless, bomb a tsar a new one is born, bomb a factory they build it back up with insurance money and all the while the working class feels less unity with you because they are not radicalized yet and this just scares those who dont just ignore it.
Propaganda of the deed has never worked, I get that people may think "Oh this is cool though" but violence for its own sake or for the coolness of it is not revolutionary. If it doesnt serve a material effect, which in practical terms small scale terrorist actions like these don't, then it must serve as a message, but who receives the message?
The Bourgeoise already know that their actions will cause shit like this, they are not gonna grow particularly more afraid and cautious as a class because of this because there has always been small scale terrorism against them to one degree or another.
The message the proletariat receives is not "We are on your side, we are fighting for you", because the proletariat at large does not yet fight for this or have a conscious desire to fight for this, whatever long piece of theory you associate with your deed will be tainted by the fact that you are doing( to the eyes of the proletariat) random acts of violence for what seems to be your own individual desires. You cant go back afterwards and try to describe to the people why you are doing these acts of violence, the people first have to wish to do all this themselves and be ready to rise up, otherwise you're just some lunatics who set fire to a factory cause you were mad at Elon Musk.
Tbh I would in fact classify individualist terrorism like this or like the RAF or any such group as an ultimately reactionary response to failure or delays in the building and sustaining of a movement, I am personally experienced with the extreme frustrations of how weak the left is in the west and the equally extreme desire to just "do something, make a statement", but indulging in revolutionary daydreams of eating the bourgeoise and tearing down their system has never to my knowledge helped aid the left in any meaningful way, and has several times hurt it in the backlash.
This is pretty much the only tactic I can say I instantly will denounce from any leftist movement, others I will try to look at the viewpoint of the people performing the tactics and strategies but just violence for the message of violence is a tactic that has been dead for over a century and is to a large extent self indulgent.
Edit: Also wanna note that the closest the Bolsheviks came to doing similar acts to the propaganda of the deed people, which is robbing banks and cash transports for funding, they tried their hardest to keep a secret cause it would not only cause friction in their party itself, but waving around guns and grenades was very obviously understood to not be the look they wanted to represent them.