If you feel comfortable desoldering the existing pins in order to replace them, then yes, that's possible.
The proposal to have headerless devices with pins to solder as the user sees fit is a long standing one
This poll was pinned for twonot even a week and the general sentiment seems to agree with you.
You can also leave some feedback in the linked comment thread - more reasons and use-cases where and why a FeatherWing doubler wouldn't be first choice are always welcome.