While I would like the PS4 to have the ability to play PS2 games for me it is not a real problem since I still have my backwards compatible PS3 which still does a very good job of playing PS2 games. Of course with regard to playing PS1 games all PS2's and PS3's can do this but to be fair the display on a large HDTV leaves much to be desired although the gameplay has not changed.
Even if my BC PS3 failed and I could not repair it or get it repaired I would just use the PC emulator for the odd times when I feel like some nostalga.
Of course if I do really want to play a PS2 games on my PS4 that I don't have I do expect to pay for it although there is no way I would pay for PS2 games I allready have unless I want Trophies which although nice is not a selling point for me.
The PS4 was announced without backwards compatibility so bringing out PS2 BC after two years is a nice feature but IMHO not a console seller and I am quite happy playing PS4 games on my PS4.
