The rule, which was implemented in 2014, required all drivers who advanced to Q3 to start the race on the same tyres they used in Q2.
Many teams, including the reigning constructors' champions, Mercedes, appear to have been caught off guard by the aerodynamic phenomenon.
The 2022 F1 regulations have predictably seen teams become more confident of competing for wins or points in the new season.
Binotto is perplexed as to why others have praised his team's potential when he believes it is impossible to know where everyone stands.
Due to a late red flag caused by Valterri Bottas's stoppage, Max Verstappen only had 20 minutes for a final time attack.
Despite this, the Scuderia and both of its drivers had another productive day, logging a total of 114 laps.
Sainz had led until Magnussen's late 1:33.207s flier, as Ferrari continued to live up to their rivals' claims of being strongest.
Gasly set a time of 1:33.902, replacing Ferrari's Charles Leclerc at the top who went fastest in the first session.
In second place was former Red Bull and current Williams driver Alex Albon, who was half a second behind the Monegasque.
F1 pre-season testing is a time of optimism and renewed hope for many, but the time-sheets don't always tell the full story.