The discussion revolves around an issue where oneboxing alters the URL parameters, causing incorrect results on the MorphMarket website. Tom_Eagle reports that the original URL https://www.morphmarket.com/c/reptiles/pythons/ball-pythons/genetic-calculator/?s1=Pastel%2CHet+Clown&s2=Pastel%2CHet+Clown is modified to https://www.morphmarket.com/c/reptiles/pythons/ball-pythons/genetic-calculator/?s1=Pastel,Het%2BClown&s2=Pastel,Het%2BClown when oneboxed, changing %2C to , and + to %2B. This leads to different genetic calculator outputs, as shown in images. Richie initially questions the difference, but Tom_Eagle clarifies the impact. codinghorror asks why it matters if the URLs function, but Tom_Eagle emphasizes the functional difference. david notes the URLs may no longer be oneboxable due to missing OpenGraph tags and references a past fix in Discourse’s codebase.
It looks like the URLs in the OP are no longer oneboxable (no opengraph tags on the site). But just noting for the record, this issue should have been resolved by