Vaal Sacrifice does not work with Vaal Absolution

1.1. "Supported skills repeat an additional time"
does not repeat the summoning part (can check by equipping the Dark Monarch helmet to increase the maximum number of Ascended Sentinels to 2), meaning that only 1 sentinel converts on use

1.2. same quote
does not make Ascended Sentinels repeat any of their spells, despite the Spell Echo support with the same exact line and making the regular Sentinels repeat their spells

2. "Supported skills have #% more cast speed"
does not increase their cast speed, despite the spell echo once again having the same line and increasing the Sentinels' cast speed

3. "Supports Vaal spell skills" on Vaal Sacrifice vs "Cannot support Vaal skills" on Spell Echo
With spell echo, the more cast speed and spell repeat do not apply to the Ascended Sentinel and do apply to regular ones.
Wouldn't it be logical for Vaal Sacrifice to apply it's effects to Ascended Sentinel and do not apply to regular ones?

Vaal Absolution does not have any tags that are prohibited by Vaal Sacrifice, it is not an instant skill, this gem is highlighted when you hover above the support gem, and it does sacrifice all but 1 life and energy shield on use, which is still a heavy downside for any build.
Can you please fix that or at least include that it does not work with minions in the description of the support? Thanks for your work!

+1