My guess is that because Remy died in Rogue's arms, they had his body ready to bury. They may have been waiting to find Magneto's body before burying...
It's not uncommon in cases of were the body is not found to with hold the funeral until it is or at the very least until a significant amount of time...
Has there ever been an explanation as to why Scott, Jean, and the rest of X-Factor went from calling him Chris to Nathan? I know Claremont preferred...
To be fair, Stryfe as a character is always annoying in my personal opinion. The one character I will never respect, no matter who keeps vouching for...