Probably because he doesn't want to "pollute" the destination branch with all the detailed and sometimes maybe incomplete commits. So, only one commit containing all the previous commits as comments may be better for his needs :-)
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why squashing merge PRs? Simply merging is perfectly fine.
Probably because he doesn't want to "pollute" the destination branch with all the detailed and sometimes maybe incomplete commits. So, only one commit containing all the previous commits as comments may be better for his needs :-)