Earlier quoted context omitted.
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Do LGBT people in Russia deliberately target non-combattants with shocking levels of violence? If not, then the definition might still hold meaning and Russia's appellation might be ridiculous.
In all seriousness though why even engage this line of argument at this point? very few brain cells are required to understand the solar system sized gap between the standards used for a western country to label something terrorist and for Russia (or Iran, or China, etc...). The argument is either being made in bad faith or in fanaticism driven ignorance, neither of which words on the internet will change. The correct and only action for this level of argument is ridicule.