First of all the entire area is mostly cut off already. The Snarkost river, which flows into the Seim is cutting the Russians off south of Korenvo. The Ukranins control those bridges.
Blowing up the bridges creates a dillema for Russia. They can fight for the land and probably have high losses or they withdraw their soldiers and give Ukraine a stronger defensive line. The Seim is a fairly large river, so a good position for Ukraine and it shortens the line they have to defend. At the same time Ukraine does not have endless resources in the region as well. So allowing the Russians to withdraw is an option.
Especially if Ukraine plans another attack it would be a good choice. Ukraine has something like 100Leopard1, which have hardly seen combat and thousands of new recruits, which have recieved training. We have so far not seen those units. Many front line units in Donetzk are also complainign that the general staff is withdrawing assets. Kursk is a few thousand men, so not something they would notice. We also know that Ukraine has been attacking Crimea for some time. So maybe we see another offensive in the south soon. But all of that is just speculation.
Solarpunk memes gets a lot of users from other instances, which can see populare posts. Lemmy as a whole is fairly small and pretty much all the post in that communtiy have gone viral to an extend. Many might not realize the community they are posting in is solarpunk. That being said lemmy as a whole is fairly left. Most comments are at worsed neoliberal, which is in our world unfortunatly centrists.
At the same time I just looked at your comments. When you argue the matter and not the person, you got nearly no downvotes. Calling people a child got you a ton of them. You litterally insulted the person you replied to and well when you act like an asshole, you get treated like one. When you started actually argueing your point in a calm manner, you neither got the downvotes nor the insulting replies. I loose my calm too, which sucks, but hey that is being human. Generally speaking when you argue in private insulting the other person is a really bad idea. The general reponse is "you too" and closing off to the arguement and they end up trying to beat you. That kind of pissing contest is just bad for your mental health too and well the other person might be right. I certainly have changed my mind on things.