Until Netscape approached him, he thought Microsoft was right and Netscape was wrong--based on his general view that predation (misuse of market power) is largely a myth.
After he met with Netscape, he felt Microsoft was right. 
mnli hypothesis: After he met with Netscape, he felt Microsoft was right.  premise: Until Netscape approached him, he thought Microsoft was right and Netscape was wrong--based on his general view that predation (misuse of market power) is largely a myth.