Pokemon has a lot of strategy in it...
its just you dont need it to beat the game, in fact, the game is easier if you dont...
when i comes to fighting other people, thats when strategy comes in...
abilities, what to give them to hold, is all very important... for example, Toxic Orb induces poison to the holder... Breloom has the ability to heal when poisoned, but also it can learn Facade through TM, which doubles in power when Poisoned... then on top of that, it can learn Spore, which has 100% chance to put to sleep, and Leech Seed which drains HP from the opponent... which is great for stalling, and if you can prevent them switching with a Spikes deterant it works very well...
similarly Ursaring has the Guts ability, which ups attack when poisoned... Ursaring is also a normal-type so gets a damage bonus when using Facade... not to mention Ursarings already ample Attack value...
...and strategies such as the common Baton Pass based strategies used to set up other pokemon for maximum advantage... with a ninjask, you can give 3 Speed buffs, and 6 Attack buffs to saaaaaay, the previously mentioned Ursaring... that Ursaring will be more likely to attack first, and murder just about anything in 1 hit.
theres plently of strategy involved... and you wouldnt be able to touch an evenmy using such things in a equally-levelled battle.
hang on... let me fish out my Platinum version, ill post some of the strategies i have lying about.
just for those who doubt it so much...
Anyway, its as much of a strategy game as any turn based RPG, id just call it an RPG personally.