Standover height only matters if it's insufficient, and only then if a situation arises where it becomes an issue.
If you're able to dismount and retain control without issues then you can ignore it, in favor of other considerations. OTOH if it is an issue for you, then often the best solution is to go with smaller wheels which make a lower standover height without compromising ride quality.
Unfortunately, there's resistance to the notion of scaling the whole bike down and so many riders are forced to ride bikes that are too big for them. It's not only about standover height. When small frames are built on 700c wheels, they tend to be too long for their target market.
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