Using multiple, named section landmarks within main - beneficial or superfluous?

As a non-screenreader user, I feel like adding named sections to a page would increase ease-of-navigation as would bolster any existing heading structures. Landmarks can be quickly cycled through via keyboard by screenreader shortcuts e.g. 'd' in NVDA, providing a good summary of a page.

Example 1 shows a UK government page (which obviously must be highly accessible), where the main content is in a <main> tag containing multiple <section> tags containing headings and lists.
The screenshot shows an overlay showing the landmarks - one can see that the search bar has its own landmark, however subsequent sections don't (they can be navigated to by other means, of course).
If I navigate this via screen reader, it takes a long time to tab or cycle through the lists of headings (maybe there is a way to skip these that I'm unaware of?)

Example 2 shows the same site but with named regions (via aria-label) which means that each section can be navigated to using landmarks - a screenreader (NVDA for example) reads out "Topics region Topics heading level 2", which does seem superfluous but does seem to make navigation more agile or atleast being able to audit/summarise a site.

My question is whether example 2 is beneficial or, on the flipside, perhaps even detrimental to the a11y experience?

Any thoughts appreciated

Example 1

Example 2