"Adam Strange is a war criminal" is a What If story. "Adam Strange is colonialist" is a critique of the property that brands it as outdated, if not problematic. It seems to me DC has reason enough, especially when the trend is toward inclusive legacy characters.
Also, I'm skeptical they'd be like "nah. This Eisner-nominated series isn't relevant to anything". In continuity or not, they'll push it as essential Adam Strange.
What I would do personally is have Adam raising Aleea on Earth. Keep the table-setting of Strange Adventures, but subvert the character assassination. Subvert the subversion? Love the idea too of an Adam-Alanna role reversal.