Learning simple, stealth like mannerisms in the street will shield you from being screamed at in any language. Learn to be invisible without a sci-fi cloaking device.
The best images are the ones that tell a story and are compositionally sound. If you can achieve this without being noticed before you click the shutter then you accomplished a task that wasn't infected by your presence. Those that attempt to tackle the true definition of SP have created their own techniques to achieve this ninja-style approach.
-The Forgotten Moments