PiS is not some Jewish pro Israeli party delph.
Are you kidding me? PiS are about as Jewish-friendly as it gets behind it all - Lech Kaczyński was noted for his excellent relations with the Jewish community, and there was this little gem a while ago -
https://polishforums.com/news/pro-israel-lobby-formed-parliament-74662/PiS support the Washington line, which means supporting Israel. It's pretty simple.
I don't know where people get the impression that Kaczynski is a Jew.
No-one said he was, except you.
it's quite clear he's Catholic and the party is pro Catholic.
He's only pro Catholic because it suits him politically. Kaczyński's entire career has been spent jumping around platforms - it's clear that he has no real political leanings.
Whether some of the narodowcy are just tolerating PiS for now or not, they're definitely happier now than when PO was in charge.
I think the clear threat to PiS was made that the same thing will happen again if they don't get their way.
In fact I saw some people in the march mention that they said they would return to Poland when PO was not in charge and now that this has happened, they've returned.
Highly unlikely, especially given the 1GBP-6PLN exchange rate at the minute. They're not going to give up washing dishes for 35zl+ an hour plus benefits in exchange for 10zł an hour and no benefits, even assuming anyone would hire them in the village that they came from.
Has Delph been alleging or suggesting that Kaczyński is Jewish?
I haven't, but there are others online suggesting exactly that.