Something that has always helped me with things like this (I’m trans in the uk, and have various other things around decentralised networks and such, also the economy and like 5000 other things, personal situations, etc.) is doing concrete steps towards my socio-techno-politico-economic goals and personal stuff.
Things like organising with other people (not just for protests/riots, but also things like underground services, discreet information leaflets, and just general community), trying to develop new tech, etc. ^.^
Decent therapy can help at least with dealing with some of the effects of this stuff, and manage interpersonal causes of mental health issues, in theory, if you can access it - though there are many issues imo with certain types of therapy that promote accepting shitty sociopolitical situations and personal situations, though this seems to be more of a philosophy thing than really therapy related specifically.
Techniques for managing the effects of poor sociopolitical situations - and working with someone to come up with more strategies to deal with these effects as well as avoid more common self-destructive thought patterns - might help you act more towards fighting the root causes even if it can’t solve them itself ^.^
For people in these situations, if you want someone else to help come up with personal coping strategies and to practise identifying more destructive thought patterns and manage emotional states, my opinion is that this is where a good therapist may be helpful if you can access one and want one.
For solving the more underlying issues? They probably can’t help directly, but they may help you gain more ability/mental bandwidth to deal with them either personally or via organising and political strategy. However this is all very conditional on therapist quality and some therapists may be actively harmful.
At least, this is my view. I have a pretty complex set of thoughts about therapy and mental health systems - and am familiar with the ways they can be used as weapons against individuals and larger groups as a trans and autistic person, as well as how they can be helpful - but hopefully the stuff about acting to do political things is useful to someone.
Actually doing something rather than just watching things get worse is helpful for me personally at least ^.^