"We were seeing many players get alacrity so we removed boot enchantments"

"Part of this reasoning is that champion movement speed is to high and we want to return it to a lower level"

Not an exact quote but the general idea of what was said is there.

But if too much movement speed is an issue then why not change...

I swear that makrsmen were rarely buying more then one zeal item in past seasons, Mages did not have any movement items in seasons past and the last time tanks had base movement movement items was in the days of the season 2 meta golem where running around with Force of Nature was the thing.

Make the zeal movement speed unique already and perhaps make luden's have 6% movement speed but 10% CDR which should of been the case from the start.

add the 10% movement speed slow back to Omen when someone attacks if more reduction is needed.

Deadman's kinda feels off but it is all that tanks and juggernauts have these days unless you get Righteous Glory which I guess did kinda get buffed.

Can't say much about duskblade since only like 3 champs seem to get it because they can make good enough use of it to justify over other options but it might be adding to the movement speed problem a little bit.