Ableist language and actions really bother me because it really puts self-created limits on what people think they can do.  It's like the Down Syndrome awareness PSA :  "if you think I can't ______,, then you don't treat me like I can ______, and then I don't ______." 

I know quite a few people who could probably be quite self-sufficient, contribute to the workforce, and be more independent, but it doesn't fit their family and support providers' narratives and definitions, so they think they can't work  or shouldn't work.  To the best of your ability, I say!  If you need supports, then by all means, use them, but don't opt out of doing things "because you can't (because you believed someone telling you that)".

Technology advances all the time - if there are now mechanized suits (like in anime), you can walk and lift and exercise!  Japan has several cafes that have robots that are operated by paraplegic people at home, using special headsets that connect directly to their brains .  if you need a service animal to help detect if you're going to have a medical episode, that's totally fine.  if you need a communication device/speech board/etc. , that's no different than the millions of other humans who can't get their face out of their phone LOL  It's no reason to opt out of society, hide yourself away, and be lonely.