I feel like this is well trod ground at this point. As general rule EVERYTHING Riot add to the game is more powerful than the stuff that preceded it.
The notable exception in this example is that you cannot really spec into MR and Armour in botlane where it's almost certain you are going to be facing mixed damage.
I'm actually interested in whether other options might be better than arbitrarily going AS|AD|Armour . Especially in some match ups where the AD does mixed or little damage early like Kaisa or Twitch. Or double dipping defence against lanes like Lucian Nami where you will outscale without the 9AD anyway
Mathematically untrue.
When Runes Reforged came out, champions were all compensated for their Seals choice (mostly, just flat Armor, except for mids who were given HP/level). By contrast, mages lost their flat magic penetration marks and other champions lost their magic resist glyphs. That came pretty close to treading water.
There were lots of people, commentators included, who would say things like, "Ah yes, he died because he doesn't have his MR glyphs anymore." That was also fraudulent. For example, most mid laners ran CDR/level runes and so the Runes Reforged base stat changes actually made mages tankier against one another. To claim otherwise means you didn't actually look at pro rune pages and just regurgitated what other people said.
I went so far as to dissect some of the specific cases where this refrain was used, considering all the old runes (Deathfire Touch, Thunderlord's, etc.) they used to run and comparing to the new ones (Aery, Scorch, etc.). The math came out nearly identical. I forget which one came out overall ahead, but it wasn't by enough to be worth remembering.
We fast forward to today's world and the compensation baseline durability buffs never went away when Stat Shards got added. I don't know about you, but if I'm running Nautilus I don't think I'm going AP+AP as my stat choice. CDR/level, Armor, Armor is the most common stat shard setup for Neutilus/Leona specifically, for example. Meanwhile, Ezreal can still take +Armor +MR in his stat shards if he needs. Any AD Carry who cares can have substantially more baseline durability than three years ago.
What about the specific runes taken? Well sure, Aftershock and Cheap Shot exist, which do about 35 total damage in the early game. But it's not like you can't take Bone Plating or Nullifying Orb to negate the entirety of that bonus damage.
(Edited out the last sentence as it was unfairly rude)