IMO its wack that raids will not support online matchmaking. You need 6 people on your friends list all jumping into a raid at the same time. Maybe yalls friends list is a little different than mine but even at the height of CoD popularity i rarely had 6 people who all wanted to play at once. People were usually in various stages of playing a game and then one by one other friends would join.
Strike missions were matchmaking, so I would assume raids are