So I tried Dueling Book the other day, trying out some new Decks, checking in on older Decks and I noticed something... THAT STUPID RULE KONAMI MADE REGARDING HOW YOU CAN ONLY SPECIAL SUMMON MONSTERS FROM THE EXTRA DECK TO THE EXTRA MONSTER ZONE OR A ZONE POINTED TO BY A LINK MONSTER.
That rule to me is so stupid (and yes I am aware that the rule change came with the Extra Monster Zone), my point is that, most older Decks now or even Decks from just the ARC-V era now NEED Link Monsters in order to function, the generic Link Monsters Konami are making right now just don't do enough to support the mechanic but I know they will make generic splashable Link Monsters that every Deck can and probably will run.
But back to that rule, there's almost no work around for it right now and again playing Link Monsters is the only real way to play an older Deck, and especially a Deck that relies on Fusion, Synchro, or Xyz Monsters. I don't think Pendulum Monsters were as hard hit as everyone says they are you can still Pendulum Summon up to 5 from your hand plus 1 from the Extra Deck, so if anything Link Monsters actually help out Pendulums. Fusions and Synchros are a little encumbered by this rule, but worst off of all are Xyz Monsters, as you can still use just 1 Extra Monster Zone to Special Summon multiple Fusion or Synchro Monsters by using what you control in that Extra Monster Zone and sending to the GY, banishing it, or rarely returning It to the Extra Deck for that Summon or even use them as LInk Material for a Link Monster, but for Xyz Monsters considering you need to overlay their materials on the field instead of taking them off the field, if you have 1 Xyz in the Extra Monster Zone and you want to Xyz Summon another monster, then you either need to get rid of the 1 you already control or hope the other Xyz Monster has an Xyz Evolution condition ("You can also Xyz Summon this card by using whatever as the material") because then and only then you could use the first Xyz Monster to Summon another one.
I heard that Konami made that rule for Link Monsters as to "convince" players to pick up those new cards and to slow down the game, but that's stupid as we've been getting new mechanics since 2009 (starting with Synchros, then Xyz, next came Pendulums, and now Links) and each time Konami just kept supporting the new mechanic gradually at first giving fairly easy to use generic cards of that mechanic to the players and any older Decks were not directly affected by this but it was more convenient to use the newer cards instead of the older ones. This rule that restricts Summoning monsters from the Extra Deck to the Extra Monster Zone or a zone pointed to by Link Monsters just seems like they're trying to hard to do something that has always happened naturally and on its own. Even in the OCG right now a lot of Decks that are being used have either little or no focus on Link Summoning and I think its for some of the reasons I just stated but possibly more, and to be honest If we didn't have that stupid rule I think Link Monsters would just end up like every other game mechanic we have; it'll get used in favor of older mechanics while not impeding them, and eventually Konami will make them very good and fun to use and I hope Konami does fix this in the near future.