+8 delves give 603 gear for 10-20mins ONLY IF YOU HAVE A KEY and you can only get 4 per week. if you run 8x you will get the choice of a single 616 item from vault.
with m+ you can spam +7’s until the cows come home and get endless amounts of TARGETED (with a little rng luck) HEROIC loot, with no need for keys and then more heroic loot in the vault.
there is no difference between a +8 delve and a +5-+7 mythic+. they are both equally easy. except the +5+7 gives endless amounts of loot as much as you can run it, whereas a +8 delve will only give you 4x champion pieces per week.
what you said is called a strawman: you invented an argument nobody has and won it all by yourself. congratulations.
my point is that a delve should NEVER give heroic raid loot.
somehow your argument is that pushing a 7 key in M+ for heroic track loot is equivalent? That’s a laugh as only 10% of all runs of M+ have been at 7
and, the easiest way to farm M7 is to have saturation in heroic raid gear in the first place.
running 2 delves in green pvp gear giving you 616 loot is hilarious, also you can do 3 more via maps if you run enough delves to obtain them (nobody is because doing that level of grind pulls delves loot/hr rewards closer to just doing a raid/m+)
in 16 weeks with good rng any character can be fully heroic gear saturated by doing a solo activity, 16 hours of playtime.
Tough luck, because people are loving it and it’s boosting player numbers and player retention numbers. There’s constantly highly upvoted threads on the WoW subreddit about people loving the delve system, how they can gear progress on it, and don’t feel forced to do M+ or raid anymore.
Play as you’d like. Let people have alternative pathing to gear. Eventually, you’ll get better gear through mythic+, and you essentially have a near infinite supply because delves only reward great gear through the vault.
Using the keys are limited in supply, otherwise you’re capped at what, 554?
The maps are rare. I’ve done 20 delves and only seen one map.