Yes, I would suggest in this specific instance you are.
>but I’m really tired of ADHD ableist jokes like this one
Not once did I mention ADHD which is a medically recognized condition. However, the use of Ritalin in today's society is not limited to those that are prescribed Ritalin as a treatment for ADHD. There are many many people that use it recreationaly. Being around people using it as an upper gives me the impression that I'm stuck in molasses with their hyper-everything. It's exhausting.