>The Romans always fortified the camps they made and a short sword could be used to aid in digging cutting post even firewood if needed.

I know this may be a shock, but the romans has invented the axe, and the shovel.

what you're saying is roughly on par with saying that an F1 racecar can also be used for towing a caravan,

>the idea that there was never an Anglo-Saxon invasion, or even a migration, has become increasingly popular.

And the DNA analysis work recently published by the Max Planck Institite stakes that idea through the heart, decapitates it, stuffs garlic down its neck and buries it at a crossroads.
https://www.nature.com/articles/s41586-022-05247-2?fbclid=IwAR1xzaPW6lfvdfr8LNxrGb4qo0o-euaRkiUaDQikbCl-4yhvzklRhmM4wY0

"Work based on present-day Y chromosomes inferred 50–100% replacement of male lineages during the Early Middle Ages in eastern England" is just one of the lines inthe summary. That study was only published a few months ago, so the ripples have yet to filter through, but it resolutely puts the idea that there was no AS migration in the coffin for good.