Tickets absolutely do matter. We can't share what we do when we issue sanctions, but every sanction from a Ticket allows for the next to be escalated if the problem persists!
For Battle Chat problems: https://na.wargaming.net/support/en/products/wows/help/31336/31337/31345/31346/
For Intentionally Throwing/Griefing (note: playing poorly happens to us all, this is for actively not-ok behaviors): https://na.wargaming.net/support/en/products/wows/help/31336/31337/31345/31346/