No, it’s not acceptable.
A ‘clean’ lagoon is what a guest should first see when they encounter World Showcase. Nothing standing between you and the countries of the world. All of the original illuminations hardware was designed to retract and disappear during the day, preserving the theme as much as possible... Much like parade support elements don’t intrude on Main Street during the ‘opening act’ of primary arrival hours.
RoE didn’t typically start setting until after 3, at which point many guests would have already experienced the open lagoon. The show elements moving into position provided a sense of anticipation for the evening show, and added to the kinetic energy of the lagoon with the increased boat traffic. The 4 maxi barges were placed in a manner so that they didn’t intrude on major sight lines and were the only ones with significant rise above the waterline. Nominally the more imposing Earth barge was kept ‘offstage’ next to American Gardens until its cue. There was thought placed into the necessity of pre-setting these elements, and in normal operations the intrusionI