How can redirection operator aka ">" open output in append instead of ordinary write mode?

[howaboutsynergy]

Hi. Would bash devs even consider replacing the current behaviour of ">" 
(redirection) to do the equivalent of the following(under the hood) ?

When:
`command > $somewhere`

then actually do(under the hood):
: > $somewhere
command >> $somewhere 


ie. create&truncate file, then open it in append mode and redirect to it,
instead of what it currently does(aka not append).

So, it would be functionally the same except that it would help mitigate some 
cases where output would get overwritten.
For context: https://stackoverflow.com/q/56167779/11509478

If not, could the devs(or anyone) please suggest a place in the source code 
where to look for attempting to implement/change this for myself?

Thanks all!

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