I don't agree with that elve, I don't see that Pippa and MJ are very stressed at being bonded and spayed, in fact they are a lot happier than they were before bonding. Pippa's a laid back happy bunny now she has MJ, as far as I can tell.
However I do see that people on RU tend to be very aware, perhaps too aware sometimes, of every slight off day their rabbit has, in contrast to people who keep their rabbits in a hutch at the bottom of the garden and don't have a clue when they're seriously ill and need a vet. So you have two very contrasting situations, one of almost neglect and one of constant vigilence. I like to think I try to strike the happy medium. MJ has occasionally had a day when he doesn't rush to eat but I don't panic and take him to the vets as this upsets him even more, I keep an eye on him and touchwood he's been fine - whether that's by luck or judgement I don't know!
Also on RU you get individuals who choose to adopt either elderly or sick rabbits which can seem their rabbits are ill (thinking of Jane amongst others here), but they are no more so than any other rabbit who have special needs due to age or existing conditions but I can see that might make a newbie think rabbits are always sick.
Rabbits are more 'needy' though than the vast general population seem to think though. I saw an article today in a magazine about keeping chickens that said they are 'only require a bit more care than a pet rabbit' suggesting rabbits require very little which as you can see from RU isn't quite the case.