If it’s so well trodden then share a review or meta-analysis, nobody (or at least not me, doubt anyone else either) will bother to dig out the referenced studies one by one.

Link to those studies, please.

There’s a huge difference to just seeing a naked body doing its thing, like sauna, or swim, or relax in the sun, or sleeping, or ill; and the same body as an erotic object

If the cause for muted celebration persists, for next year I’d suggest reviving International Workers’ Day and/or Beltane, possibly with Cinco de Mayo influences. Nothing like solidarity marches, or bonfires, pagan magic and feasting.