They can also threaten to drop susidizies and to kick them out.
I'm actually hugely wary of EU interfering in state affairs, because the EU is not some 'magical good guy' - they're just usually 'somewhat gooder'.
In particular, Poland refuted the ECJ as having ultimate authority over local courts, the EU threw a huge fuss - but Poland has substantial backing for that: there is nothing in the treaties which indicate ECJ has said authority. At the very same time, the issue is not resolved even in Germany, and the German high courts are thinking of pressing a case. Since Germany is the 'centre of the EU' - and - there are gaping holes in the true legal authority of the ECJ for certain things, it's not a war that the EU wants to get into. It could tear a mile wide hole in the legal fabric of the EU. That said: I wish the would do it because the situation is unconscionable and almost nobody is aware of it.
Using Pegasus to spy on political opponents however, is a bridge way, way too far. Poland is not going to have a leg to stand on either moral, populist, legal, treaty etc. - there's just no argument they can make.
I think the EU should put a lot of heft behind this issue though.
Finally, bit of a caveat, it could be that other EU states are using the same or similar tech to do 'similar kinds of things' - those EU states are not going to want to be embarrassed by public knowledge or airing of that. So that could be a problem.
I trust the French/German political tradition a lot more than I trust Poland's
[0] 23:00 August 4th 1914, in response to the invasion of Belgium by Germany.
[1] 11:00 September 3rd 1939, in response to the invasion of Poland by Germany.
Both France and Britian were obligated by treaty to defend Poland. Germany started the conflict, and knew full well that they would force other countries to get involved. To claim otherwise is counter-factual.
If you punch a police officer in his face, and his partner knocks you out, you can't claim the partner started the fight.
This is besides withholding the funds, which have been mentioned by others and which is happening to Hungary as of now. They are withholding 7.2 billion EURs of the reconstruction fund due to claims of high corruption and an inadequate legal structure and thus control over how it's being spent. (I.e. they can't see the guarantees that a sizeable chunk of it won't be stolen and/or spent on things other than what it's intended for.) And it is, indeed a direct consequence (one of the direct consequences) of the lack of adequate rule of law. No wonder: the very reason these guys dismantle democracy is to seize more power, keep the power and to steal us much as they can. (Which is, besides the obvious personal motivations, is a requisite for operating their power structure.)
EDIT: typos.
That's 0.5M/day related to dispute with Czechs over environmental impact of Turów mine. It seems PiS strategy for negotiating with Czechs is just completely ignoring them, which lead ECJ to impose fines.
[1] https://www.reuters.com/world/europe/eu-top-court-orders-pol... [2] https://www.reuters.com/world/europe/eu-top-court-orders-pol...
Then again, that didn't stop the UK.
That strikes me as slightly different than, say, a coalition breaking up a human rights-violating empire and RETURNING democratic sovereignty to its people.