Finland starved thousands to death in it's own camps. https://en.wikipedia.org/wiki/East_Karelian_concentration_ca...

No, Finland handed both jewish and non-jewish Soviet POWs to Germany. Hundreds of people sent from Finland to Germany died in the camps. Finland also deported multiple jewish refugees to Germany, these people were neither Soviets nor POWs.

https://journal.fi/haik/article/view/139103/86888

Yes, sure, Finland had it's own complicated reasons for behaving the way it did. There's however no serious dispute about whether or not Finnish collaboration in the holocaust happened.