Only lately some exceptions have stuck around/fell slowly (Take Care, TTT).
So it still works the same way even if it's a second version? Got ya. Well then I don't see Def Jam pulling the single version of WFL until it is dethroned on the BBH100, it's too risky.
That's great for *****s in Paris! It proves to all those pop girls you can do well in the chart without a music video. Are they planning to make one though? It could boost it even higher!!
Also, about album tracks hanging around, I think we're all missing the obvious example that was Love the Way You Lie.