You don´t get in the LHS because of seniority!
You don´t get there because "you´ve paid your dues".
Who ever put out this myth that you just have to hold out long enough to get into the LHS??
Seniority let´s you have a try (!!) at the LHS, by being eligible for the training and checks when it´s your turn in line.
If you´re up to it and prove yourself, you´ll be in command, if not, you won´t, even if your seniority number is 1!
The LHS is NEVER guaranteed by seniority or by being up for command training.
What´s the alternative?
An interview with psychos??
An interview with management - hopefully someone who´s not a pilot??
A ranking concerning the fuel ordered/fuel used ratio??
A ranking concerning "punctuality" of dep and arr??
A ranking concerning number of go-arounds flown??
A ranking concerning "flexibility" with roster-changes??
A ranking by the CPs you´ve flown with??
Get a life you worshippers of numbers, operating a plane well and efficiently is a little more complex!