What does debatedly even mean is it just an alternate spelling?

Wiktionary has this hilarious example from 1978

Moreover, many of these latter, for example pollution, waste heat, noise, congestion, want creation and, more debatedly, various social ills, are unwanted by-products or social costs of market production.

@Odoacre debatably means something can be debated, whereas debatedly means something is being debated.

Will "debatedly" be GPT-5's "delve"?