Why do artist curse in the song when it is not necessary

[krazykid18]

I mean damn, i been feeling that new trey songz and ti 2 reasons joint on the radio hard so the hook is ladies and the drink, ladies and the drink,

i look for this shyt on youtube and then bam hook is bytches and the drink like the cursing just fukks it up, becuz it ain't needed.
[ame=http://www.youtube.com/watch?v=itnvwZ4Z1Hc]Trey Songz - 2 Reasons ft. T.I. [Official Video] - YouTube[/ame]

 

[Heelish]

Eminem is the worst at it

 

[Dominic Brehetto]

Shut the fukk up fakkit.

 

[Fmju]

Cuz they want too.

 

[Bed$tuy]

I'm just trying to get my post count up so i can post a thread about the Top 50 lyricist Source edition

 

[Yecht]

The dumbest shyt is when these rap nukkas clearly make a radio friendly/pop track to try and get spins, and half the hook needs to get bleeped. Really

 

[wild100sboy]

I missed the days when artist used to make a version for radio/video and not just blanking the curse words out, lazy artist