I admit I don't know the history here but I've found squats to help. Has there been disagreement to that in the past?
Without going into a whole load of debate and also acknowledging that squats offer other benefits beyond leg strength (core strength, various health benefits, hormonal benefits etc), it has been argued (by myself, various other members, people in the scientific community and some top tier coaches) that:
A) Leg strength is not a limiter in cycling performance except in disciplines where huge instantaneous torque must be applied (track sprinting)
B) The time doing squats would be better spent on the bike
C) The muscular fatigue caused by doing squats will be detriment to the following day or two's cycling training, as such you basically balls up 3 days of cycling (including the day you spend doing them) for a squat session that has minimal cycling benefit in the 1st place.
There have also been various counter arguments (by a similar group of contributors), some reasoned points have been made.