Yeah, especially as any variety of clearance, for a typical keyboard with Alps that's high.
The large lettering is a plus for anyone with a vision impairment however, and since computer accessories made to suit that type of disability are typically paid for through government healthcare and disability benefits - yes, we do that in Canada - the manufacturers ask higher prices.
Kind of like when you take your car to the body shop for a new bumper cover because of that fender bender and the new bumper is priced at six thousand dollars because the shop knows your insurance company is paying.