dipmicro- your use of "UNETHICAL" to describe activities which are NOT LEGAL may be a bit too generous.
Canada has LAWS- and these may be VIOLATED.
Ethics- like one lawyer once told me- are something you leave at the door when you go to work. All that matters is upholding the law.
With respect to to your concern about false trip winnings
Competition Act ( R.S., 1985, c. C-34 )
Deceptive telemarketing
Required disclosures
(2) No person shall engage in telemarketing unless
(a) disclosure is made, in a fair and reasonable manner at the beginning of each telephone communication, of the identity of the person on behalf of whom the communication is made, the nature of the product or business interest being promoted and the purposes of the communication;
(b) disclosure is made, in a fair, reasonable and timely manner, of the price of any product whose supply or use is being promoted and any material restrictions, terms or conditions applicable to its delivery; and
(c) disclosure is made, in a fair, reasonable and timely manner, of such other information in relation to the product as may be prescribed by the regulations.
(3) No person who engages in telemarketing shall
(a) make a representation that is false or misleading in a material respect;
(b) conduct or purport to conduct a contest, lottery or game of chance, skill or mixed chance and skill, where
(i) the delivery of a prize or other benefit to a participant in the contest, lottery or game is, or is represented to be, conditional on the prior payment of any amount by the participant, or
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("pushy door-to-door salesmen" are mostly a provincial concern.)