I think their point is that shows that were produced with ads in mind simply play through with no gaps (similar to how ad-free streaming services play them).
How do they schedule the shows to account for the odd lengths?
> How do they schedule the shows to account for the odd lengths?
Certainly up through the 90s the 'big ticket' and imported shows started on the hour or :30 and everything else slotted around that. Secondary programmes often started at :50 or :15 as a result.
How do they schedule the shows to account for the odd lengths?