When defending, yes. Similarly compact, very solid middle that was difficult to get the ball through. Defending fullbacks and wingers were necessary. However, Liverpool depended on their goalkeeper to make good/great saves more than Atleti requires Oblak to do that. Part of that is because teams aren't as used to playing against such quality defensive mindsets these days. All 11 players were required to contribute to defense, just like Atleti now. When attacking, not really. Atleti has a more difficult time carrying the play (PSV tie is a notable example) whereas Liverpool in those days was very capable of controlling the game and possession if they had to do so to win. Liverpool's victories over RM, Inter, and Juventus were good examples of this. The contrast is strange because football is fairly dissimilar these days. When Liverpool was making these long runs, there were quite a few teams that prioritized defense and the matchups were different. Sometimes you'd get two teams playing very cautious. Also, the talent was more spread out and there were more good teams. However, now more of the teams that make it this deep are attacking teams, but those teams have superior technical ability to those of the mid 00's era. The teams now are also better at hoarding talent.