It's fairly easy for a player to re-tweet something - it doesn't mean they want it done. Pressure on them to re-tweet it too.
Anyway, the grieving family looks like they are OK with the one-man mission.
RIP fella, anyway.
I'd leave it to the friends and family to organise, if I didn't know him. Seems a little odd for a stranger to do all this, don't you think? We know you mean well.