Rabbits are social creatures, and are happier in pairs as a rule of thumb. Occasionally you will come across rabbits who would rather live alone, but this isnt the usual case.
Rabbits like 24/7 companionship. Humans simply cannot provide that, and its wrong to assume we can adequately cater to a bunnies social needs.
Say you get 8 hours sleep, and work/are in school for a further 8 hours, that’s 16 out of 24 hours your rabbit is alone. This leaves 8 hours, in which you will presumably do human things-shower go out with friends etc. So you’re rabbit will receive less than a third of your days worth of attention. This isn’t fair on a bunny.

Aside from that, rabbits have urges to groom and be groomed that we cant fill in.
Rabbits alone in a human world tend to be more destructive out of boredom and loneliness

I dont believe in keeping single bunnies unless the rabbit does not accept any other rabbit (but that isn’t actually all that common)

So the things to consider about two -they both need to be neutered.
Bonding can take time and be stressful.
While bonding you need to double everything (Both rabbits need to be kept apart)

Most people advise adopting from a shelter-many shelter buns are already neutered and they allow for “dates” to let your rabbit pick out who he would like to be his partner, so you dont end up with incompatible rabbits.