ha ha ha, the post from Stackfan made me laugh. Sorry, no offense, but some of your arguments are unsubstantial and unfounded. Some make complete sense though. I will explain:
Zend is the company behind both PHP and the Zend Framework; but let's make difference between the company Zend and the Zend Framework as a product; the involvement of the PHP creator (Zend company) in the Zend Framework does not guarantee the Zend Framework qualities or credentials; similar to the involvement of Microsoft in their products for Windows does not guarantee their products superiority (vs products of other vendors) - often it does the opposite;
Notice that the mention of a Zend Optimizer does not necessarily refer to a Zend Framework optimizer;
Oracle is father of sun/java/mysql? - I do not know what you mean by that but Oracle had nothing to do with the credit the creators of sun, java or mysql can take. Sun was an independent (from Oracle) company, manufacturer of servers, unix like operating system - Solaris - and, yes, the inventor of Java; MySql was an independent (from sun and oracle) open source project; sun bought mysql; oracle bought sun; so oracle to me is nothing like a father to those but simply now owns them now;
IBM do support Zend products (PHP and Zend Framework) on their servers and are warming up to a friendship with Zend, the company, most likely in an attempt to, counter balance what Oracle has done with Java - expand their market and product offering with a widely accepted development platform. Notice that IBM has always strongly supported Java on their platforms too.