EcoCorp, a multinational financial institution, is implementing ISO 50004:2020 across its global operations. During the initial energy review, the energy management team identified several potential Significant Energy Uses (SEUs) within its data centers, branch offices, and headquarters. The data centers consume the largest amount of energy due to cooling and server operations. The branch offices, while numerous, each consume a relatively small amount of energy for lighting, HVAC, and computer equipment. The headquarters building consumes a moderate amount of energy for various office functions.\n\nThe team decided to focus primarily on the data centers, reasoning that reducing energy consumption in these high-usage areas would yield the greatest overall energy savings. They allocated the majority of their resources to optimizing cooling systems and server efficiency in the data centers. However, after a year of implementation, EcoCorp\'s overall energy performance improvement was significantly below target. Further investigation revealed that while the data centers did achieve some energy savings, the numerous branch offices, collectively, offered a much larger, untapped potential for improvement through simple measures like LED lighting upgrades, smart thermostats, and employee awareness programs.\n\nWhich of the following best explains why EcoCorp\'s initial approach failed to achieve its desired energy performance improvement, highlighting a critical aspect of SEU identification according to ISO 50004:2020?