"B737 increasingly being seen in Singapore instead of the B767"
One 767 in for C check with the other to follow, so 737 operating some SIN flights....... understand the 737 went tech in SIN a day or so ago and ended up spending some extra extra time on the ground, might even still be there.
"The pax will just vote with their feet as most of the pilots have"
Reliability has been an issue with Pixie for many many years. And with fleets of such ageing airframes the reliability issues just keep getting worse.