The file path is
/app/code/Third partsparty/itsMoDULE/view/frontend/templates/product/list.phtml and I want to override this. I created the same file in
app/design/frontend/MyTheme/theme/Magento_Catalog/templates/product/ but still reads from third party?
override path should be
Thirdpartsparty_itsMoDULE is module name you can check that name from registration.php of that module.
module related files are place in
theme related files are place in