You would end up massively favoring the wealthy fans, who have a lot of disposable income, leaving less fortunate fans with basically no chance to get tickets.
The solution is to either make tickets non-transferable or make it illegal to sell tickets above face value.
Not everything needs to hit a perfect profit ratio.
Exactly, it's not always about maximizing profit. Artists also to play for their fans. This is one of the main reasons artists have fan club email lists, to let actual fans get first go at tickets before the public sale date. Of course, there's nothing stopping scalpers from signing up.
The solution is to either make tickets non-transferable or make it illegal to sell tickets above face value.
Not everything needs to hit a perfect profit ratio.