You could also install extensions like stylish on Chrome and fix it therein. You could try blocking the CSS file from loading. [0]
Sure, we can prioritize shitting on the people who made the site, or Apple, or Google, but then your mom continues to have this issue. Shouldn't fixing that be the first priority, even if it involves some hacks?
iOS devices limit browsers to only using the Safari engine so any installed browsers will have the same limitation.
> You could also install extensions like stylish on Chrome and fix it therein. You could try blocking the CSS file from loading. [0]
The chaining operator is a JavaScript enhancement. Sure, you could block the JavaScript but considering the site doesn't work when the JavaScript fails I don't think blocking JavaScript will fix the site.
An extension, like https://chrome.google.com/webstore/detail/resource-override/..., that is similar to the dev tools local overrides might let you fork the site's JS files. But that isn't a maintainable approach.