Questions about Shows in Syndication

When I watch shows in syndication I notice that the commercials are
placed in different spots.

When I mean is, a lot of times the commercial will be in the middle of
a scene.

Then later you will notice where its supposed to have a commercial
(scene fades out) but it continues with the show.

So I have always wondered, why do they move the location of the
commercials?

Someone told me its to add more commercials, but that doesnt make any
sense.
Why change the location of it? Just add more commercials during the
normal commercial spot.

lambertman...

ANIM8Rfsk...

Steven L....