Earlier quoted context omitted.
I agree with your parallel to rent seeking. Rent seeking is indeed both (a) arguably immoral and (b) seemingly inescapable in a society which respects property rights. The theory of Georgism [1] suggests a way that we could eliminate rent seeking: by taxing ownership of all common resources at the value of the rent they would demand. That way, property owners, telephone operators, etc. would be rewarded for their lab…
Rent seeking is not immoral. You own something. You choose to let others use it for a fee per month or per day. Some other person voluntarily thinks your deal is good and agrees to pay to use your something. Sure, you can come up with some obscure examples of rent seeking being immoral, like charging a dehydrated dying person $1000 per glass of water, but that's not what we're discussing here. If you disagree, let's…
It is by definition any scheme which extracts wealth without providing value. Renting apartments, or equipment, is not rent seeking. Putting a barrier in a river and refusing to allow passage of cargo without a tax, that, is rent seeking.
If you agree with me that a scheme to extract the wealth of others, while providing no value in return, is immoral, then rent seeking is, in fact, immoral.