My more cynical take on the use of papers is that it already was a lax way to assess students. They write stuff, and the teacher skims it. And also important, it gets less complaints than written or oral exams, while you can still maintain the illusion that the students are being tested on the topic.
We'll have to go back to sitting in a room, answering questions on paper. Or indeed oral exams, but those are almost everywhere infeasible. A decent exam should take 1 hour or so. Times 100 to 200 students makes anywhere between 2 and 5 weeks of work, excluding the increasing amount of time it takes to handle complaints about the grading. And the TA has to sit in as well, to provide some check. So that's not going to happen, except for very small groups, or very rich institutions.
We'll have to go back to sitting in a room, answering questions on paper. Or indeed oral exams, but those are almost everywhere infeasible. A decent exam should take 1 hour or so. Times 100 to 200 students makes anywhere between 2 and 5 weeks of work, excluding the increasing amount of time it takes to handle complaints about the grading. And the TA has to sit in as well, to provide some check. So that's not going to happen, except for very small groups, or very rich institutions.