Lao can win with fundamentals, he's has footsies and good armor, he just doesn't have powerful mixups or dmg. Like other chars. Post patch tempest looks fairly strong.
B1 Df1 FF Block 212 vortex f34 b12 air throw does between 30-35% meterless. Can replace the b1 with f22 which is where you get the 50/50.
That isnt even considering the fact that she wins almost all projectile trades, can convert off of almost anything, and can stuff a lot of wakeups(or avoid them with U3).
The only reason she isnt doing well in tournaments is Dvorah players dont have the cancels down 100%. She has one of the best toolsets in the entire game easily.