[crorella]

They mention this quite explicitly: "As we make these updates, Pages may see their reach, video watch time and referral traffic decrease. The impact will vary from Page to Page, driven by factors including the type of content they produce and how people interact with it."

I think it's bold but good for the long term.

[dragonwriter]

Every Facebook change seems to reduce Page basic reach, probably in order to increase the pressure to pay for additional reach.