My friend passed away and I want to donate his Pokémon

My best friend has played every game over the years and has transferred his Pokémon to each new entry. He just passed away yesterday. I’d like to take his Switch and wonder trade all of his best Pokémon to random strangers. I haven’t played in years though so I’m not sure where to look for everything. Is there a Pokémon Home or storage box software that I should go through? Does Legends Arceus have a wonder trade feature? Is there a cutoff between the 3DS games and the Switch games? I’m assuming I’m going to be spending hours on this in Violet/Scarlet and Sun/Moon

EDIT: Thank you all for the kind words. I had thought of it like spreading his ashes in a way but not a single person seemed to think it was a good idea. I’m honestly pretty disappointed that so many people here have asked me to just give them the Pokémon. I’m going to try and reach out through his friend network to see who are fellow Pokémon fanatics and give them the ‘mons. Thanks.