You call what you posted $hit, and that's exactly what it is.
I have been living in Si Valley for over 30 years and I am far more familiar with what's going on here than the people who wrote the $hit you have posted.
Here's the truth:
1. Pakistani entrepreneurs are easily the third largest organized group in Si Valley after Chinese and Indians. Check out some of the names here:
Charter Members : OPEN Silicon Valley
2. Several Pakistani founded companies have gone IPO or been acquired by bigger companies in the last decades.
3. Some of the Pakistani founders' names well known to the Si Valley tech community include Safi Qureshi (AST computers founder), Raghib Hussain (Cavium founder), Atiq Raza (NextGen founder), Rehan Jalil (WiChous), Jauhar Zaidi (Palmchip), Sohaib Abbasi (Oracle), Naveed Sherwani (OpenSilicon), Idris Kothari (VPNet, VIA Technologies), Ashar Aziz (FireEye), Nazim Kareemi (Canesta), Safwan Shah (Infonox), Faraz Hoddbhoy (PixSense), and many many more.