As far as I know, modern versions of compression utilities have "longPathAware" element set to "true" in the application manifest, so they shouldn't have these problems when used on up-to-date Windows systems.
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XML:
<application xmlns="urn:schemas-microsoft-com:asm.v3">
<windowsSettings xmlns:ws2="http://schemas.microsoft.com/SMI/2016/WindowsSettings">
<ws2:longPathAware>true</ws2:longPathAware>
</windowsSettings>
</application>
I'm curious, could this attribute be also set in the Paradise Lust executable manifest to finally get rid of this long path Unity problem?