The exclusion filter does not filter out 'null' value. It is independent of the visualisation type.

Scatter plot:
https://turnilo.app/#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

Grid:
https://turnilo.app/#wiki/4/N4IgbglgzgrghgGwgLzgFwgewHYgFwgDmAThACYgA0408SqGOAygKZobaFT7YwILUMAWxbIcLfCACiaAMYB6AKoAVAMJUQAMwgI0LYtzwBtUGgCeABwkFhE6sRabJtjbYAK+rGUMmQZGMToWLgEbgCMAJoaUHoW+AC0YYKW1iAI6CwxIAC+ALrZlKYpkjGknBoOTgSyEOYAcnAiGnCyjCEgELjUYIgwmfhGILz8ILnU2Jho+GjEfXnUUBZIaD5FViUznYQaZBAi2FDBkjX1jXYgUJjEU3iglZJwZGQsFMnrBFCe/dS7Dq1HBGeUFkLGwu3K1CspEwFAIOWoSCEtXwAFYAAzzC5fVYgSr6UEgh5PF4aTRXITofBrVLPTRwPhTbq9VLwkDmd4gERwWAOeF3Rz47CEwEsBBsEnUMnECk3amSWn03QaHoIPqSVns1JcnkSTEWTrYF4AET2oMOOB8YxA+uwhrITCuNxAj2eFGyQA=