How can a defendant be deemed not to have 'Been pursuing his rights dilligently,' when he is actively litigating 3 cases simultaneously that are all intrisicly related to one another?

QUESTION(S) PRESENTED . 1) How can a defendant be deemed not to have "Been pursuing his rights dilligently," when he is actively litigating 3 cases simultaneously that are all intrisicly related to one another? 2) Can almost a decade of reliable communication and sound advice, set a precedent that makes "attorney assusrances" more than "garden variety"? _ 3) When the aforementioned scenerios are at play, coupled with a history of numerous court delays and the affects.of the covid-19 pandemiy~ ~—~ ———~ ~~ “how can this not be considered an "extraordinary circumstance"that warrants Equitable Tolling?