1) It was started by old man when SPH poached President Scholar Shaun Seow from MTI. did
2) Election time payout was by LHL.
3) GCT dramatically increased number and size of GRCS and embarked on heavy gerrymandering after he lost 4 seats in his first GE as PM.
4) Linking upgrading to votes was LHL.
GRC - LKY implemented some 3-member GRCs in heavy minority pockets only
Ministerial pay - it got signifcantly higher but not breaking stratosphere
Linking upgrading to election - Check out Cheng San 1997 transcripts
Election time payout - Check out New Singapore Shares 2001