"insufficient steps" is correct and usable in written English.
You can use it to describe an inadequate amount of action or progress towards a particular goal. For example: "The company's efforts to reduce emissions were hindered by an insufficient number of steps taken to reduce their carbon footprint."
But despite a previous prosecution following the death in 2002 of George Bate, 77, from legionnaires' disease, managers took insufficient steps to protect the public, the court heard.
Having failed to act against Al Qaeda before 9/11, Mr. Clarke writes, Mr. Bush "harvested a political windfall for taking obvious yet insufficient steps after the attacks".
The group also agreed to crack down on tax havens and, on a country-by-country basis, impose stricter financial regulations on hedge funds and rating agencies — necessary though insufficient steps to avoid a repeat of the current disaster.
Finally, we found that some Chicago police officers expressed discriminatory views and intolerance with regard to race, religion, gender, and national origin in public social media forums, and that CPD takes insufficient steps to prevent or appropriately respond to this animus.
A change of leader is a necessary but insufficient step.
But the proposals by the Environmental Protection Agency are just one, insufficient step.
Yesterday, the White House suddenly agreed to let the two Congressional committees on intelligence see classified legal "advice" related to the white paper — a good but insufficient step.
After federal investigators subpoenaed his files and staff aides, Representative Peter Visclosky has taken the unusual, but still insufficient, step of surrendering his subcommittee gavel while a defense spending bill is legislated.
He has sent two open letters to the president, Juan Manuel Santos, requesting negotiations.Mr Santos said the FARC's announcement was an "important, though insufficient, step in the right direction".
On February 23rd a civilian who refused orders from the FARC to lead an explosives-loaded donkey in front of an army camp said he was tortured by having his fingers crushed and his mouth sewn up with wire before escaping to a hospital.Following the FARC's announcement, Juan Manuel Santos, the president, called it an "important though insufficient step in the right direction".
While many privacy groups and tech companies back the bill, several other civil libertarian groups consider it an insufficient step, favoring a full elimination of Section 215 and noting that the bill would leave the vast majority of the NSA's bulk collection powers untouched.
