Umm, the discussion is not focusing on the correct comparisons.

Impulse Drive is an independent ability. You can use it whenever you want to.

Bootshine is dependent on a full 3-step cycle of attacks (Twin - SP - BS for a default sequence).

In order to assess whether or not ID is a local DPS increase, you compare ID agaulst the full Twin-SP-BS combo, not BS itself. Autocrit Bootshine does not exist without Twin-SP.

ID is, for the purposes of this comparison, 180/gcd * (1 + .12*.5) = 190.8 p/g.

TW-SP-BS = (140*1.06 + 180*1.06 + 130 * 1.5)/3 = 178.07.

So ID is more potency per gcd than TW-SP-BS at 12% crit. So ID is spammed in this local scenario with unlimited TP without considering the timing of things external to the BS-TW-SP cycle (such as getting your next DK up, maintaining GL3, better uptime on TOD, Fracture, or Demolish, or maintaining TW itself across long cycles).