Fair enough, your life might not revolve around getting 4 stripes, but do consider that once you do then you will likely spend a LOT more of your career in the LHS than as an FO.
Sacrifcing Captains pay for FOs may seem all very equitable at any one instant in time but when you look at YOUR potential earnings over your entire career a different picture emerges.
Alternatively, one could always leave and join a company which doesn't hold it's employees in such contempt.