Also, not everyone can afford to re-host their assets, not everyone will be able to, some might not even realize it'll be lost.
The broken trust comes from the idea that google likely promoted this as something that will be a new ongoing community that's now being shutdown unceremoniously.
The lack of trust towards Google's products come not just from the services they're providing they shut down, but they try to build up communities then abandon them with no recourse.
It wasn't just the assets they hosted, it was the people they were trying to bring together that are now scattered again because they trusted google.