As Scott Adams has been both a programmer and a "pseudo-engineer", would he not find it difficult to comment on the communication skills of engineers were he unfamilar with the correct use of the subjunctive tense?
Contrariwise, panel 5 demonstrates that the PHB's grasp[1] of ``subjunctive'' is entirely innocent of grammar, as he fails to declaim thusly:
"And my boss would fire me were I to sit in my office all day and do nothing."
(which latter would be grammatically correct and patently untrue).
Other panels[2] do little to dispel the impression that the PHB's firm grasp of language is equalled by the firm grasp of a garden slug wielding a jackhammer.
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[1] PHB: "`Subjunctive' is used to describe the performance of underground railroad switches, known as subjunctions."
[2] Panel 7 violates nearly every rule of consistent use of tense which I am able to recall [3] ...
[3] ... after three double scotches.