No. Banning opposition parties BECAUSE THEY ARE OPPOSITION PARTIES would be undemocratic. Banning opposition parties because they are anti democratic is not.
What you are saying is like “killing someone is murder”, while ignoring the fact that self defence is a thing that happens, is legal and is moral and IS NOT MURDER.
Germany is Europes biggest country by population and GDP (not counting Russia and Turkey for population). It makes perfect sense for them to be the biggest spenders on defence as well.
Ironically the ultra right wing AfD party is actually against the rearmament, but that is mostly because they are Putin’s puppets. (They claim fiscal responsibility concerns but this is a laughably transparent excuse)
I trust the French government more than I trust Google. But the good news is, you don’t have to: its fully open source and you can self host. Instructions are available here: https://github.com/suitenumerique/docs/tree/main/docs
The Bundesverfassungsschutz has released a 1000 page report detailing their investigation and assessment. I find it unsurprising that the AfDs advertising material for an election hides their anti democratic aspects.