The inReverse argument appears to be ignored in a GraphQL asset query. Looking into it, it appears as though the images are being eager-loaded before the inReverse argument is applied. Other arguments (i.e. limit, orderBy) work fine.
inReverse to true or falsePlugins | Version
-- | --
Craft Commerce | 3.2.17.3
DigitalOcean Spaces Volume | 1.1.3
Feed Me | 4.3.6
Maps | 3.9.0.2
Redactor | 2.8.5
SEO | 3.6.7
Super Table | 2.6.7
Typed link field | 2.0.0-beta.12
Thanks for the heads up! Just patched this for eager-loading for the next release!
Craft 3.6.11.2 is out now with that fix.