I dont see how it's possible to accurately answer this question. If they could say how inaccurate the current maps are they could have made maps that were accurate to begin with.
The best anyone could say is that the current maps of that time period are the best estimations that could be made with all available evidence. Which is exactly what they are saying.
Beware_the_Voodoo t1_ixz5265 wrote
Reply to When prehistoric land masses are depicted, what is the accuracy to which they are drawn. Would the maps produced be useful for navigating that world? by TheRealPopcornMaker
I dont see how it's possible to accurately answer this question. If they could say how inaccurate the current maps are they could have made maps that were accurate to begin with.
The best anyone could say is that the current maps of that time period are the best estimations that could be made with all available evidence. Which is exactly what they are saying.