The document also states
"Please do not make broadcast transmissions or engage in chatter on an ATC frequency. The safety of others depends on you not doing this.
" ..... All calls should be directed to ATC or Flightwatch if operating on those frequencies"
"A pilot should give emphasis to monitoring CTAF - MBZ Multicom where collision risk is many times higher. Constantly monitoring an ATC ,frequency where most of the calls may not be relevant, can lead to a false sense of security and reduce the effectiveness of alerted see and avoid where it really matters in the aerodrome area "