If it is true that...

There are two types of schedule: the manager's schedule and the maker's schedule

and

People who make things, like programmers and writers, prefer to use time in units of half a day at least

Then it must be true that...

Operating on the maker's schedule, meetings are a disaster

If it is true that...

Programmers dislike meetings because they operate on a different schedule from other people

and

Meetings cost programmers more time

Then it must be true that...

Operating on the maker's schedule, meetings are a disaster

If it is true that...

Operating on the maker's schedule, meetings are a disaster

and

A single meeting can disrupt a whole afternoon by breaking it into two small pieces

Then it must be true that...

A decrease in morale can kill off ambitious projects