Apologies as well, I edited the other post whilst you were quoting it.
You are correct (kind of) that by not including the comment it does not mean that riders should continue at top speed, but at the top level of sport and business it is well known that anything not sepcifically included is excluded and thus not bound by the rule, comment or contract - in short, it is a 'get out of jail' with a claim of ignorance (ie. no rule) which can then be covered by your favourite rule - rul 1.21 of the FIM Rule book, the real rules
2. Riders must ride in a responsible manner which does not cause danger to other competitors or participants, either on the track or in the pit-lane.
Any infringement of this rule will be penalised with one of the following
This, by the above rule Marquez can ride as hard as he wants provided it did not cause danger, which it did not until he came upon Willarott and impacted him. Thus the fact he had not slowed is not the issue, the fact he created a danger to Willarott is the issue and for which he got feathered.
Now, you can claim that to ride at top speed is irresponsible and I will counter by saying that it is situational awareness ....... if no riders are around then there is no harm but it is the awareness of the situation that Marquez lacked, which was (IMO) not due to the speed but due to him.
Again, the above rule is from the FIM rule book and can be found on page 44 (I have not yet found a definition of the various reckless etc as they may use dictionary definitions as some authorities will do)