Regarding the "Rares on map = bad" take.

Dear POE-Team this feedback is a reply to the take on one of the interviews that mentioned rare mob tracking on minimap.

I feel like we are not playing "follow map" to just zoom from rare to rare, it is an incentive for sure but also the way maps are layed out is problematic as there is a profound lack of directional sense which causes backtracking.
The mobs do not lead you to the next rare pack natively nor the boss, you can kill 2 rare packs, endboss and then spend four times the time finding remaining rares.

From where I stand this showcases two issues.

1. Like moths to light
Players want to get from rare to rare instead valueing every enemy they cross because they are the only type of mob that consistently drops valueable loot when compared to their peers in the sense of drop/kill ratio.
Due to this you had to put a target marker on them, and just like moths to light players went to zoom to them asap - skipping everything else.

2. Big maps and sense of orientation.
The wide open area of maps which already have some archetypical sense of direction, but for the most part, these maps are still gigantic and randomly generated.
This causes players to have no orientation other than scouting alongside the restraints of the minimap of where to find value - and in case of very big hallways they end up back tracking the wall on the other side back to the spawn because zig-zag running from wall to wall becomes annoying very fast.

Therefore, going fast, and glueing your eyes to the minimap is the most efficient way of analysing the layout and resort to best practises to sweep it clean.
So even without the rare markers Id never look at anything else but the minimap cause there are just too many dead ends or areas where from the minimap build up you can tell ahead of time if walking there even makes any sense at all (which already copes alot of potential frustration).

Try to play the game at a fast pace without any map at all and these factors become extremly obvious; If you try to just maintain a good speed that does not waste your time whilst still minimizing backtracking you'll have a bad time without your map.
At times where my GPU bugged and my character was walking on a "black canvas" with only my minimap working and seeing enemy models I felt like I had more direction and was somewhat efficient vs whenever I challenged myself to play without the map.

Some solutions that could alleviate this **might** be:
If whitemobs and bluemobs were just more valueable as a whole and would spawn in a way that leads up to the bigger points of interest (Rares, Chests, Bosses) it would feel more organic to run into them because now they do not only have value in clearing them, but the game would also systematically steer you towards points of interest by following their density (= it feels rewarding to do so)

TL;DR: The chase the rare minimap issue is a mixture of rares being op and maps being not deliberate enough at steering you to the most efficient path unless you minimap them. Invent ways of havign the ingame engagement steer you towards points of interest over overly incentivicing players to skip everything that is not a rare (by layout or spawn behaviour).