You don't think it strange that the guy who taught a course on blockchains at MIT has never made a transaction on a blockchain?
Have you ever met a botanist who's never touched a plant?
Everyone has money. Not everyone has cancer.
Anyone who takes cancer drugs, is doing research. There is no "cure" for cancer (yet).
A better analogy might be: would you think it strange that someone teaching a C programming class has never compiled a program?
would you think it is strange that someone who's teaching a C programming class that has never used a computer?
'Imagine someone trying to bring a injunction against Liberty Reserve without owning any any stock in the company or having ever used their products'.