The installer bitcoin-0.19.0rc1-win64-setup.exe:
lacks
test_bitcoin.exe(is present inzip)bloats system with full
docfolder content:
The installer bitcoin-0.19.0rc1-win64-setup.exe:
lacks test_bitcoin.exe (is present in zip)
bloats system with full doc folder content:

Was this always a thing under Windows? I think including some docs is a good approach but there are lots of useless stuff like compile instructions for completely different operating systems
Is this still an issue with a recent version of Bitcoin Core?
Is this still an issue with a recent version of Bitcoin Core?
Yes