Regarding Russia obeying any possible EU ruling...
Can't see that happening, at least not while Putin is in power.
He does whatever he wants to do.
And he would have known that, that would have been a possibility... So I just can't see him backing down on something that he already would have counted the costs and benefits of doing...
And thankfully, he chose to take appropriate action against the extremist organisation, with it's extremist, hurtful, harmful and lethal policies and practices.
Besides... The noise against the watchtower is growing in the EU... look at the Netherlands report and subsequent call for an investigation, from the other day...
As well as the two ongoing inquiries/commissions in the UK...