Can we stop the idpol a bit?

No. Combining pseudo-socialist economic policies with conservative social policies is literally national-socialism which you might know by some other names

He is also campaigning on wealth taxes, fighting back against oligarchs and corporations, anti-corruption, strong social safety nets paid by reclaimed wealth and so on.

I checked the full election platform and there's some OK stuff in there (wealth tax, increased pensions, social housing, women's rights as workers). The rest is liberal policies (e.g. nationalizing bankrupcy and debt foreclosure agencies) and tax cuts for lower and middle class. It is for sure better than Orban but overall it's not very progressive

What do you expect a politician to be if not nationalistic?

Uhhh I want my politicians to support the international working class. I expect them to not be overtly nationalist at a minimum. Internationalism is a thing.

He is not even staunchly anti-immigration

He said he liked Orban's draconian immigration policies and he cracked jokes (or insane slander, hard to tell) at immigrant's expense

Same with LGBT rights, in an ideal society it should just be normal and nobody should care, especially not the government.

Definitely not when the government discriminated and abused LGBT people for decades, propagandized society and stoked hatred against them. It needs to be dealt with and spoken about. We still live in a patriarchy and its victims need protection and support.