You are mixing up linkability/history and being an MPA/SPA.
Many websites simply have some session/state dependent page.
Many websites simply have some session/state dependent page.
They are either the worst developers in the world or it is not simple.
I don’t rule any of the two possibilities out.
Some things you get for free with the correct architecture. For whatever reason, SPA does not have a great track record with their users.
Or they have a good reason to not do it (in some PMs mind).
At a guess, resetting the view, and displaying the nearest Domino's Pizza sponsored highlight pin on the map, could be one of them.
If this is an intentional choice, all in an effort to show me more local ads… ugh. I really hope this isn’t the case.