This is all true. But without prior notice to Critiel Matich, mainly because Ham Taylor knows his mentor is somewhat old-fashioned and doesn't like students deviating from the original research direction to do other research.
Therefore, fearing that the professor would immediately dismiss the idea if reported directly, he decided to see if he could achieve results first before reporting.
To be honest, if he had access to data from large astronomical observatory networks like LIGO, Virgo, and KAGRA, he wouldn't even plan to inform his mentor now. Instead, after verifying more data, he'd write a paper and then deliver the good news.
During this period, he indeed devoted his whole mind and energy to research in this direction, neither paying attention to his mentor's activities nor reading recent articles published by Critiel Matich, thus naturally unaware of Professor Matich's dismissive attitude toward Q theory.
