Reimu has arguments in favor of having information erasure resistances and information corruption resistances.
In the new Touhou 20 she fought a brainwashed goddess that can purify and likely erase things down to the informational level.
Plus she now has direct scaling to the moon princesses Watatsuki no Toyohime and Yorihime, characters that previously were stated to be too strong for the main games giving her even more scaling paths to almost everyone in her verse