I agree. Link owns, because link has an extremely dominating amount of control.
His shield to defend against projectiles seems to have been buffed. If he's facing a projectile spammer, the only thing I know which can hit link is Olimar's Pikmin latch(no knockback, they just cling) and things that go under his shield, (bouncing projectiles, like Zero Suit Samus's parts, bowsers flame breath at certain angles, someone's laboriously aimed PK thunder, etc.). If he bothers to crouch, the latter is no longer true. So I'm talking about- PK fire, PK thunder, All of Samus's missiles and charge shots, Din's Fire(even when released behind or above link), Waddle Dee's, Grenades, Toon link's and other link's Arrows, bombs, and boomerangs, Bowsers and Charizards fire, Fox's, Falco's, and Wolf's lasers, Needles, Rob's laser, Peanuts, Mario and Luigi's fireballs, Zamus's defensive firearm, Kirby's Cutter, Ivysaur's leaf cutter, and Pit's Arrows. Did I miss anything?
Link and block all of those projectiles without even needing to press a shield button. That means there is no shield pressure, and 0 stun from all of those projectiles, and he can be projectile immune if he is on the ground and as soon as he stops the animation from any of his other attacks. Basically, unlike other reflectors or defensive measures against projectiles, there is no startup time involved. This implies that link *cannot* be out camped by someone else's projectiles. It forces his opponent to approach, no matter who they are.
And approaching link is a huge pain. After reflecting, dodging, rolling, and shielding, can you get past a variety of arrows, bombs, and most of all, that annoying boomerang, or if you have projectiles you *try* to time them to land when link is holding a bomb, firing an arrow, or throwing/catching his boomerang, but let me say, that is not easy, you have to deal with the disjointed, long range hitbox on that sword. None of his A moves has small or limited paths or is slow to leave a weak opening to come in on- uptilt and upsmash outranges with a disjointed hitbox any attack coming from above I can think of AND also hits a very signifcant distance behind him, his ftilt is fast and covers a large arc above him and in front of him(basically, no small guys going under an ftilt). And if link does something as simple a shield into an up-b one of your incoming attacks? It knocks you away and you have to do it all over again, just the same with any of his other moves, including is quick neutral AAA- they all have decent knockback to give you space. And even if you get accustomed to shield dashing your way in, the fact that link can grab you from a distance suddenly puts you on your toes.
That isn't to say other things of his are weak either. The above is just what is a crazy strength of his. He does not have a weakness in KOing, none of his aerials are sub-par, in fact you can argue which ones are fantastic, he's not one of the huge guys at all(Samus for example, outsizes him by a good bit), he does not have a weak dodge, roll, or airdodge, he doesn't have a weakness in laggy startup moves or lag at the end of moves, and he doesn't have weakness in ground movement speed.
His one weakness is his recovery.
In summary, link pwns, end of story.