English question, please help.?

whereas the traditional explanation, clarification and demonstration of a teacher should not be fully replaced by the computers. Furthermore, he claimed that the plethora of multimedia technologies used in classrooms can easily result in the oblivion of the mental perspectives and development of students including emotions, values and attitudes. A lot of teachers nowadays, he believed, have relied on ICT excessively to conduct their lessons, in order to "speed up" their lessons and "increase" the learning content.


Hi, can you please rephrase the last sentence for me, especially with the words in quoatations, to make it sound better? Thank you so much :D