Provide actual installer or portable executable - don't force me to mess around with gems that only work half the time

Since when is it normal practice to make your end-users deal with your programming language’s package manager?

As title says, can you provide an actual installer and not force your end-users to mess around with picking the right ruby version and installing gems that only work half the time. Additionally due to the nature of package managers you don’t actually have a reproducible build.

How many issues do you have registered on this site about random gem errors?