TWR CTLR INSTRUCTED CREW TO HOLD SHORT OF INTERSECTING RWY DURING LNDG ROLL.

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AFTER DECLINING LAHSO ON INITIAL CONTACT WITH YYC APCH; YYC TWR INSTRUCTED US TO HOLD SHORT OF RWY 28 ON OUR RWY 35 ROLLOUT. WHEN WE ADVISED HIM THAT WE HAD DECLINED THE LAHSO; HE SAID WE WERE ON THE GND NOW; AND THAT IF HE COULD DETERMINE WE COULD STOP; THEN HE COULD ISSUE THE RESTR. WE JUMPED ON THE BRAKES AS ALL THIS WAS TRANSPIRING; BUT ASKED FOR HIS TELEPHONE NUMBER. AFTER GETTING THE TWR SUPVR ON THE LINE; AND THE CTLR; THE DISCUSSION WENT WELL; IE; HE NOW SEEMS TO UNDERSTAND THAT HE CAN REQUEST TURNOFF AT A TXWY BUT NOT COMPEL IT. HIS WORDS '...HE ASSUMED FROM WHERE WE WERE THAT WE COULD STOP.' I TOLD HIM HE HAD FURTHER ASSUMED THAT ALL OUR ANTISKID AND THRUST REVERSERS WERE OPERATING NORMAL; THAT THE BLOWING SNOW RPTED HAD NOT IN FACT BEGUN TO REDUCE BRAKING ACTION; ETC. I HAD NO DESIRE FOR THIS CTLR TO BE HARASSED. OUR DISCUSSION SEEMED TO END IN A MUTUALLY DERIVED AGREEMENT ABOUT WHO WAS ACTUALLY COMMANDING AND ACCOMPLISHING THE LNDG. THE REAL QUESTION IS WHERE DID HIS CONCEPT COME FROM AND DO ANY OTHER CTLRS SHARE THAT BELIEF?