Picking a Job

[Anova]

Although players complain about the jobs, the jobs are still functional, MCH especially isn't that far removed from BRD compared to other "problematic" jobs.

Most parties can do all the content reasonably well. However, to get world firsts, there is a certain amount of optimization and BRD sadly brings a lot more utility for their parties than MCH does. The crit buff is small, but the "esuna", foes requiem, and troubadour are simply very powerful tools that synergize extremely well with tanks and jobs with huge amounts of burst dps (sam and rdm). Even minne's is marginally better for healers, especially for conserving their MP or to squeeze out of a heal check.

Unless you're trying to get into a cutting-edge raid group at end-game, you should not have any problems playing as a MCH.

If you do run with a raid group, the extra utility you get from brd is much more useful and you should be prepared to provide solid numbers (likely dps numbers from a parser or some other check) to support your argument to use a MCH over a BRD. Keep in mind this is only for specific raid groups that run themselves like businesses rather than as a group of friends playing for fun. Most groups are not as mercenary as the above example, but you should at least be aware of the MCH's shortcoming in a competitive end-game environment where parties have to choose between a BRD or a MCH and don't want to bring both.