Before You File a Bug Report Please Confirm You Have Done The Following...

• I have tried restarting my IDE and the issue persists.
• I have updated to the latest version of the packages.
• I have searched for related issues and found none that matched my issue.
• I have read the FAQ and my problem is not listed.

Playground Link

https://typescript-eslint.io/play/#ts=5.7.2&fileType=.tsx&code=GYVwdgxgLglg9mABAIRFKCA8AVRBeRAZygCcYwBzAPgAoBKRAbwChFESBTKEEpTAExgA3KpgD0gkQG5mAX2YQExRACM0GJAUyp0WYmUpVEYqlONiiACzggANv3YcADnBJRENYAENbhDojAOCi9YIQ46BSV3NV0wACZ8FHU9UnJqejMxCw4ADycOaA5%2BZiA&eslintrc=N4KABGBEBOCuA2BTAzpAXGUEKQAIBcBPABxQGNoBLY-AWhXkoDt8B6Jge1tiacTJTIAhtEK0ipWiIDmsALaIWqDJETRoHaJHBgAviF1A&tsconfig=N4KABGBEDGD2C2AHAlgGwKYCcDyiAuysAdgM6QBcYoEEkJemy0eAcgK6qoDCAFutAGsylBm3TgwAXxCSgA&tokens=false

Repro Code

function Button<T = string>() {
  return <div></div>;
}
const button = <Button<string> />; // should report (false negative)
const button2 = Button<string>(); // expected

ESLint Config

module.exports = {
  parser: "@typescript-eslint/parser",
  rules: {
    "@typescript-eslint/no-unnecessary-type-arguments": "error"
  }
};

tsconfig

{
  "compilerOptions": {
    // ...
  }
}

Expected Result

line 4, <Button<string> />; should be reported.

Actual Result

no errors

Additional Info

Easy to fix - #10630