If FFXIV isn't wow clone, then no other MMO is wow clone.....FFXI is more like an EQ clone but not WoW clone. Heck it even release before WoW how'd it copy WoW? EQ was the first MMO that heads toward themepark direction, so FFXI the EQ clone has some gameplay element WoW had, but FFXIV is still much closer to what WoW is than FFXI.
One of the noticeable WoW element in XIV is the UI and battle system. There's tank/DD/healer when you queue like WoW, there's "optimal rotation" and hot bar for skills near the bottom. There's various skills with indiviual cooldown and global cool down. I'd consider games with tab targetting/rotation based battle system wow clone.
I don't consider GW2 a wow clone, it's a theme park MMO that has questing/instance dungeons just like wow, but the battle system is completely different and it doesn't follow tank/DD/healer holy trinity, it managed to try something new. I also don't consider TERA WoW clone, again, the battle system is completely different. FFXI is also not wow clone because it's a TP/WS at 100TP battle system. Tera/SWTOR/FFXI is just theme-park.
But SWTOR and FFXIV ARR is damn close to WoW is. They're using exactly the same battle system and holy trinity as WoW. A game you quest to lv is just a thempark MMO, but FFXIV ARR is 100% WoW clone. If they keep 1.23's battle system I wouldn't call it WoW clone at all.