so I visited a kung fu place tonight...

do they ever explain WHY wushu weapons are floppy as all sin O.o..i mean even praticing it doesnt seem that practical

It's the system, tools, and training they do. The emphasis is on style and conditioning. It is not for combat or functionality but mostly form and show. Wushu practitioners can fight but they don't know how. They have to be taught how to contact to do damage to an opponent. Raw material wise they are the perfect ones to train.

Wushu blades wobble when swung improperly.

Well, in my Kung-Fu training anyway the weapons were looked upon as extensions of the body. In Kung-Fu the legs and arms are seen as whip-like delivering the energy of the strike as such. As opposed to Karate, which "chambers" the power.

So, maybe this is the philosophy behind the sword techniques and swords themselves? I haven't trained with sword in Kung-Fu, only Wing-Chun staff, which is very fluid and whip-like...for a piece of wood.

Very true. There are "whippy" kungfu styles and hard chambering styles. Look at Tan Tui,..... almost every style has a version, but almost all are executed similarly to forms done in karate. Solid heavy punches and wide stances.

I read somewhere.... forgot where, maybe on another forum, but modern competition wushu focuses on speed and coordination of movements. Alot of the things you see done in wushu competitions aren't combat applicable. That's not why they do it. You can't do a lot of the wushu moves with a heavier and properly balanced sword.

I like to think of modern wushu as nothing more than a sport. Just like how you use a foil instead of a smallsword in fencing..... I would expect the same in wushu. Everything is for safety and speed. And with wushu being ssuch a major event/sport in China.... it's no surprise to me that wushu sword kind of became a standard.