If I want to lane 1v2 as kat and get level 6 first, then crush botlane, can i?

where do I tell my support to go? otherwise they would 'leech' my teammates and we would instant lose from collective tears and reports. the only reason the strat even works is because the enemy support puts the adc at level disadvantage for kat to strike at. If the whole team agrees the support should afk until needed, is the support in violation for failing to agree to the teams plan? Can I report my support for not staying afk if the rest of my team agrees that's the best strategy and they want to act against us?
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