track crawling
chines fella
track crawling is not derided but it is not 'Navigation'. Forecast winds are just that, forecast. It is important for the pilot to discover the actual w/v at the chosen flight altitude. Track crawling dosn't allow you to do that and wouldn't work over the North Sea.
The w/v is found by maintaining a constant heading and speed for a given time, following which any errors may be assessed for GS and drift using a number of differing techniques. You now know the actual w/v. This method is repeated at intervals throughout the flight. The pilot is able to revise and apply a good heading (even without surface features always being available) and of course the intermediate and final ETAs.