Rather than that book, and remember we all have the same books, you should have pulled something else out of somewhere else instead.
You wrote that
"... both sides still have strong Cruiser forces which did the bulk of the blockade fights.", yet, other than two skirmishes involving German auxiliary cruisers attempting to
break through the British blockade, you listed no incidents in which German cruisers attempted to
break the British blockade of the North Sea.
And that's because there were no incidents in which German cruisers attempted to break the British blockade of the North Sea.
Sinking a disguised German mine layer, the scuffles around Heligoland, shooting at a zeppelin, and actions in the Far East (???) are not attempts by German cruisers to break the British blockade either.
Then there is the fact the British Blockade was maintained by Cruisers...
Bollocks.
The blockades at the northern entrance to the North Sea and the western end of the Channel were initially performed by elderly
Edgar-class cruisers. Coaling and mechanical issues immediately arose with those old warships so they were all replaced beginning in November of 1914 by
converted passenger liners which carried nothing larger than 6-inch guns.
Less than two dozen of those "mighty" vessels stopped enough merchant traffic to starve Germany until well into 1919 and the Kaiserliche Marine
never made a single attempt to disrupt their operation. As I already noted, the only times those blockaders were attacked was when German auxiliary cruisers attempting to break through to blockade were detected and forced to fight.
Having Dreadnoughts perform that action would have been a waste of resources.
Having cruisers do it was a waste also because, seeing as Germany never attacked the blockade, Britain was able to use passenger liners for the work.
The continual mine laying, mine sweeping, and skirmishing "deep" within the North Sea were not part of the
merchant blockade. Instead, they were attempts by either side to blockade the movement of military vessels. The merchant blockade which starved Germany operated in two places, the western end of the Channel and the gap between the Shetlands and Norway, and the German navy never interfered or attempted to interfere with blockading vessels in either location.
Your claims regarding
"... strong Cruiser forces which did the bulk of the blockade fights." is not supported by the historical facts.