But even before they were, the usage of owned quantum slicing by fractions other than PUPR had lacked any sign of the creative thinking that would be needed to hack a worldwide m-brane folding grid. at least to this extent. Even the SAGDA with their hoards of skilled hackers could not have pulled this off.

fractions -> factions (This also occurs 2 other times in the chapter, the same change should be made in each case.)
grid. at -> grid, at
hoards -> hordes (The term "hoard" usually refers to a stock/store of objects. The term "horde" is used to refer to a large group of people.)