Read Back Requirements
No argument I'm afraid folks Certainly in UK
From CAP413:
The ATS messages listed below are to be read back in full by the pilot/driver. If a readback is not received the pilot/driver will be asked to do so. Similarly, the pilot/driver is expected to request that instructions are repeated or clarified if any are not
fully understood.
Taxi/Towing Instructions
Level Instructions
Heading Instructions
Speed Instructions
Airways or Route Clearances
Approach Clearances
Runway-in-Use
Clearance to Enter, Land On, Take-Off On, Backtrack, Cross, or Hold Short of
any Active Runway
SSR Operating Instructions
Altimeter Settings
VDF Information
Frequency Changes
Type of Radar Service
Transition Levels
All the best
L2G